Home / 748,901.40-1,123,352.10-707,567.10

Finding the Fourth Proportional to 748,901.40, 1,123,352.10 and 707,567.10

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Solution

The fourth proportional to 748,901.40, 1,123,352.10 and 707,567.10 is: 1,061,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,901.40 : 1,123,352.10 = 707,567.10 : x
  2. Step 2: Convert to fraction form
    748,901.40/1,123,352.10 = 707,567.10/x
  3. Step 3: Cross multiply
    748,901.40x = 1,123,352.10 × 707,567.10
  4. Step 4: Simplify right side
    748,901.40x = 794,846,987,675.91
  5. Step 5: Solve for x
    x = 794,846,987,675.91/748,901.40
  6. Step 6: Final answer
    x = 1,061,350.65

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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.