Home / 753,459.25-1,039,774.17-413,949.37

Finding the Fourth Proportional to 753,459.25, 1,039,774.17 and 413,949.37

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Solution

The fourth proportional to 753,459.25, 1,039,774.17 and 413,949.37 is: 571,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,459.25 : 1,039,774.17 = 413,949.37 : x
  2. Step 2: Convert to fraction form
    753,459.25/1,039,774.17 = 413,949.37/x
  3. Step 3: Cross multiply
    753,459.25x = 1,039,774.17 × 413,949.37
  4. Step 4: Simplify right side
    753,459.25x = 430,413,862,613.77
  5. Step 5: Solve for x
    x = 430,413,862,613.77/753,459.25
  6. Step 6: Final answer
    x = 571,250.35

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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.