Home / 749,897.91-1,034,854.92-405,732.96

Finding the Fourth Proportional to 749,897.91, 1,034,854.92 and 405,732.96

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Solution

The fourth proportional to 749,897.91, 1,034,854.92 and 405,732.96 is: 559,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,897.91 : 1,034,854.92 = 405,732.96 : x
  2. Step 2: Convert to fraction form
    749,897.91/1,034,854.92 = 405,732.96/x
  3. Step 3: Cross multiply
    749,897.91x = 1,034,854.92 × 405,732.96
  4. Step 4: Simplify right side
    749,897.91x = 419,874,749,862.16
  5. Step 5: Solve for x
    x = 419,874,749,862.16/749,897.91
  6. Step 6: Final answer
    x = 559,909.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.