Home / 534,459.65-737,545.21-289,442.43

Finding the Fourth Proportional to 534,459.65, 737,545.21 and 289,442.43

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Solution

The fourth proportional to 534,459.65, 737,545.21 and 289,442.43 is: 399,425.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,459.65 : 737,545.21 = 289,442.43 : x
  2. Step 2: Convert to fraction form
    534,459.65/737,545.21 = 289,442.43/x
  3. Step 3: Cross multiply
    534,459.65x = 737,545.21 × 289,442.43
  4. Step 4: Simplify right side
    534,459.65x = 213,476,878,721.77
  5. Step 5: Solve for x
    x = 213,476,878,721.77/534,459.65
  6. Step 6: Final answer
    x = 399,425.62

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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.