Home / 519,225.10-778,837.65-239,289.10

Finding the Fourth Proportional to 519,225.10, 778,837.65 and 239,289.10

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Solution

The fourth proportional to 519,225.10, 778,837.65 and 239,289.10 is: 358,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,225.10 : 778,837.65 = 239,289.10 : x
  2. Step 2: Convert to fraction form
    519,225.10/778,837.65 = 239,289.10/x
  3. Step 3: Cross multiply
    519,225.10x = 778,837.65 × 239,289.10
  4. Step 4: Simplify right side
    519,225.10x = 186,367,360,314.62
  5. Step 5: Solve for x
    x = 186,367,360,314.62/519,225.10
  6. Step 6: Final answer
    x = 358,933.65

Related Problems

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Half scale
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Double scale
Find fourth proportional to 519,226.10, 778,839.15 and 239,290.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.