Home / 729,125.02-1,006,031.28-423,024.04

Finding the Fourth Proportional to 729,125.02, 1,006,031.28 and 423,024.04

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Solution

The fourth proportional to 729,125.02, 1,006,031.28 and 423,024.04 is: 583,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,125.02 : 1,006,031.28 = 423,024.04 : x
  2. Step 2: Convert to fraction form
    729,125.02/1,006,031.28 = 423,024.04/x
  3. Step 3: Cross multiply
    729,125.02x = 1,006,031.28 × 423,024.04
  4. Step 4: Simplify right side
    729,125.02x = 425,575,416,431.97
  5. Step 5: Solve for x
    x = 425,575,416,431.97/729,125.02
  6. Step 6: Final answer
    x = 583,679.62

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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.