Home / 779,557.80-1,169,339.58-239,810.34

Finding the Fourth Proportional to 779,557.80, 1,169,339.58 and 239,810.34

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Solution

The fourth proportional to 779,557.80, 1,169,339.58 and 239,810.34 is: 359,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,557.80 : 1,169,339.58 = 239,810.34 : x
  2. Step 2: Convert to fraction form
    779,557.80/1,169,339.58 = 239,810.34/x
  3. Step 3: Cross multiply
    779,557.80x = 1,169,339.58 × 239,810.34
  4. Step 4: Simplify right side
    779,557.80x = 280,419,724,658.68
  5. Step 5: Solve for x
    x = 280,419,724,658.68/779,557.80
  6. Step 6: Final answer
    x = 359,716.40

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Double scale
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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.