Home / 679,534.17-937,701.34-400,086.94

Finding the Fourth Proportional to 679,534.17, 937,701.34 and 400,086.94

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Solution

The fourth proportional to 679,534.17, 937,701.34 and 400,086.94 is: 552,087.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,534.17 : 937,701.34 = 400,086.94 : x
  2. Step 2: Convert to fraction form
    679,534.17/937,701.34 = 400,086.94/x
  3. Step 3: Cross multiply
    679,534.17x = 937,701.34 × 400,086.94
  4. Step 4: Simplify right side
    679,534.17x = 375,162,053,065.56
  5. Step 5: Solve for x
    x = 375,162,053,065.56/679,534.17
  6. Step 6: Final answer
    x = 552,087.11

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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.