Home / 1,175,487.40-1,763,231.10-289,023.40

Finding the Fourth Proportional to 1,175,487.40, 1,763,231.10 and 289,023.40

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Solution

The fourth proportional to 1,175,487.40, 1,763,231.10 and 289,023.40 is: 433,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,487.40 : 1,763,231.10 = 289,023.40 : x
  2. Step 2: Convert to fraction form
    1,175,487.40/1,763,231.10 = 289,023.40/x
  3. Step 3: Cross multiply
    1,175,487.40x = 1,763,231.10 × 289,023.40
  4. Step 4: Simplify right side
    1,175,487.40x = 509,615,047,507.74
  5. Step 5: Solve for x
    x = 509,615,047,507.74/1,175,487.40
  6. Step 6: Final answer
    x = 433,535.10

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Half scale
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Double scale
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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.