Home / 783,711.70-1,175,567.55-409,849.30

Finding the Fourth Proportional to 783,711.70, 1,175,567.55 and 409,849.30

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Solution

The fourth proportional to 783,711.70, 1,175,567.55 and 409,849.30 is: 614,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,711.70 : 1,175,567.55 = 409,849.30 : x
  2. Step 2: Convert to fraction form
    783,711.70/1,175,567.55 = 409,849.30/x
  3. Step 3: Cross multiply
    783,711.70x = 1,175,567.55 × 409,849.30
  4. Step 4: Simplify right side
    783,711.70x = 481,805,537,470.22
  5. Step 5: Solve for x
    x = 481,805,537,470.22/783,711.70
  6. Step 6: Final answer
    x = 614,773.95

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Similar ratio
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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.