Home / 753,436.11-1,039,737.56-413,897.07

Finding the Fourth Proportional to 753,436.11, 1,039,737.56 and 413,897.07

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Solution

The fourth proportional to 753,436.11, 1,039,737.56 and 413,897.07 is: 571,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,436.11 : 1,039,737.56 = 413,897.07 : x
  2. Step 2: Convert to fraction form
    753,436.11/1,039,737.56 = 413,897.07/x
  3. Step 3: Cross multiply
    753,436.11x = 1,039,737.56 × 413,897.07
  4. Step 4: Simplify right side
    753,436.11x = 430,344,327,583.46
  5. Step 5: Solve for x
    x = 430,344,327,583.46/753,436.11
  6. Step 6: Final answer
    x = 571,175.61

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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.