Home / 929,753.16-1,393,311.33-389,427.18

Finding the Fourth Proportional to 929,753.16, 1,393,311.33 and 389,427.18

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Solution

The fourth proportional to 929,753.16, 1,393,311.33 and 389,427.18 is: 583,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,753.16 : 1,393,311.33 = 389,427.18 : x
  2. Step 2: Convert to fraction form
    929,753.16/1,393,311.33 = 389,427.18/x
  3. Step 3: Cross multiply
    929,753.16x = 1,393,311.33 × 389,427.18
  4. Step 4: Simplify right side
    929,753.16x = 542,593,302,103.95
  5. Step 5: Solve for x
    x = 542,593,302,103.95/929,753.16
  6. Step 6: Final answer
    x = 583,588.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.