Home / 753,454.76-1,039,767.96-413,944.88

Finding the Fourth Proportional to 753,454.76, 1,039,767.96 and 413,944.88

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Solution

The fourth proportional to 753,454.76, 1,039,767.96 and 413,944.88 is: 571,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,454.76 : 1,039,767.96 = 413,944.88 : x
  2. Step 2: Convert to fraction form
    753,454.76/1,039,767.96 = 413,944.88/x
  3. Step 3: Cross multiply
    753,454.76x = 1,039,767.96 × 413,944.88
  4. Step 4: Simplify right side
    753,454.76x = 430,406,623,430.05
  5. Step 5: Solve for x
    x = 430,406,623,430.05/753,454.76
  6. Step 6: Final answer
    x = 571,244.15

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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.