Home / 1,242,753.18-1,714,848.72-691,338.61

Finding the Fourth Proportional to 1,242,753.18, 1,714,848.72 and 691,338.61

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Solution

The fourth proportional to 1,242,753.18, 1,714,848.72 and 691,338.61 is: 953,963.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,753.18 : 1,714,848.72 = 691,338.61 : x
  2. Step 2: Convert to fraction form
    1,242,753.18/1,714,848.72 = 691,338.61/x
  3. Step 3: Cross multiply
    1,242,753.18x = 1,714,848.72 × 691,338.61
  4. Step 4: Simplify right side
    1,242,753.18x = 1,185,541,126,650.38
  5. Step 5: Solve for x
    x = 1,185,541,126,650.38/1,242,753.18
  6. Step 6: Final answer
    x = 953,963.46

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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.