Home / 769,265.06-1,154,235.92-409,351.10

Finding the Fourth Proportional to 769,265.06, 1,154,235.92 and 409,351.10

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Solution

The fourth proportional to 769,265.06, 1,154,235.92 and 409,351.10 is: 614,206.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,265.06 : 1,154,235.92 = 409,351.10 : x
  2. Step 2: Convert to fraction form
    769,265.06/1,154,235.92 = 409,351.10/x
  3. Step 3: Cross multiply
    769,265.06x = 1,154,235.92 × 409,351.10
  4. Step 4: Simplify right side
    769,265.06x = 472,487,735,693.58
  5. Step 5: Solve for x
    x = 472,487,735,693.58/769,265.06
  6. Step 6: Final answer
    x = 614,206.68

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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.