Home / 897,545.34-1,238,490.04-515,572.12

Finding the Fourth Proportional to 897,545.34, 1,238,490.04 and 515,572.12

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Solution

The fourth proportional to 897,545.34, 1,238,490.04 and 515,572.12 is: 711,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,545.34 : 1,238,490.04 = 515,572.12 : x
  2. Step 2: Convert to fraction form
    897,545.34/1,238,490.04 = 515,572.12/x
  3. Step 3: Cross multiply
    897,545.34x = 1,238,490.04 × 515,572.12
  4. Step 4: Simplify right side
    897,545.34x = 638,530,935,521.69
  5. Step 5: Solve for x
    x = 638,530,935,521.69/897,545.34
  6. Step 6: Final answer
    x = 711,419.14

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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.