Home / 688,177.26-1,032,276.29-238,912.40

Finding the Fourth Proportional to 688,177.26, 1,032,276.29 and 238,912.40

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Solution

The fourth proportional to 688,177.26, 1,032,276.29 and 238,912.40 is: 358,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,177.26 : 1,032,276.29 = 238,912.40 : x
  2. Step 2: Convert to fraction form
    688,177.26/1,032,276.29 = 238,912.40/x
  3. Step 3: Cross multiply
    688,177.26x = 1,032,276.29 × 238,912.40
  4. Step 4: Simplify right side
    688,177.26x = 246,623,607,293.13
  5. Step 5: Solve for x
    x = 246,623,607,293.13/688,177.26
  6. Step 6: Final answer
    x = 358,372.21

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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.