Home / 747,634.20-1,031,699.16-425,313.96

Finding the Fourth Proportional to 747,634.20, 1,031,699.16 and 425,313.96

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Solution

The fourth proportional to 747,634.20, 1,031,699.16 and 425,313.96 is: 586,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,634.20 : 1,031,699.16 = 425,313.96 : x
  2. Step 2: Convert to fraction form
    747,634.20/1,031,699.16 = 425,313.96/x
  3. Step 3: Cross multiply
    747,634.20x = 1,031,699.16 × 425,313.96
  4. Step 4: Simplify right side
    747,634.20x = 438,796,055,268.27
  5. Step 5: Solve for x
    x = 438,796,055,268.27/747,634.20
  6. Step 6: Final answer
    x = 586,912.76

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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.