Home / 934,666.56-1,289,900.52-542,279.88

Finding the Fourth Proportional to 934,666.56, 1,289,900.52 and 542,279.88

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Solution

The fourth proportional to 934,666.56, 1,289,900.52 and 542,279.88 is: 748,381.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,666.56 : 1,289,900.52 = 542,279.88 : x
  2. Step 2: Convert to fraction form
    934,666.56/1,289,900.52 = 542,279.88/x
  3. Step 3: Cross multiply
    934,666.56x = 1,289,900.52 × 542,279.88
  4. Step 4: Simplify right side
    934,666.56x = 699,487,099,197.54
  5. Step 5: Solve for x
    x = 699,487,099,197.54/934,666.56
  6. Step 6: Final answer
    x = 748,381.43

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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.