Home / 929,895.30-1,283,298.12-516,433.98

Finding the Fourth Proportional to 929,895.30, 1,283,298.12 and 516,433.98

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Solution

The fourth proportional to 929,895.30, 1,283,298.12 and 516,433.98 is: 712,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,895.30 : 1,283,298.12 = 516,433.98 : x
  2. Step 2: Convert to fraction form
    929,895.30/1,283,298.12 = 516,433.98/x
  3. Step 3: Cross multiply
    929,895.30x = 1,283,298.12 × 516,433.98
  4. Step 4: Simplify right side
    929,895.30x = 662,738,755,638.12
  5. Step 5: Solve for x
    x = 662,738,755,638.12/929,895.30
  6. Step 6: Final answer
    x = 712,702.55

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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.