Home / 753,436.36-1,039,737.90-413,897.32

Finding the Fourth Proportional to 753,436.36, 1,039,737.90 and 413,897.32

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Solution

The fourth proportional to 753,436.36, 1,039,737.90 and 413,897.32 is: 571,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,436.36 : 1,039,737.90 = 413,897.32 : x
  2. Step 2: Convert to fraction form
    753,436.36/1,039,737.90 = 413,897.32/x
  3. Step 3: Cross multiply
    753,436.36x = 1,039,737.90 × 413,897.32
  4. Step 4: Simplify right side
    753,436.36x = 430,344,730,312.43
  5. Step 5: Solve for x
    x = 430,344,730,312.43/753,436.36
  6. Step 6: Final answer
    x = 571,175.95

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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.