Home / 747,298.32-1,031,294.40-425,054.88

Finding the Fourth Proportional to 747,298.32, 1,031,294.40 and 425,054.88

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Solution

The fourth proportional to 747,298.32, 1,031,294.40 and 425,054.88 is: 586,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,298.32 : 1,031,294.40 = 425,054.88 : x
  2. Step 2: Convert to fraction form
    747,298.32/1,031,294.40 = 425,054.88/x
  3. Step 3: Cross multiply
    747,298.32x = 1,031,294.40 × 425,054.88
  4. Step 4: Simplify right side
    747,298.32x = 438,356,717,436.67
  5. Step 5: Solve for x
    x = 438,356,717,436.67/747,298.32
  6. Step 6: Final answer
    x = 586,588.66

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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.