Home / 623,961.90-936,177.30-371,387.70

Finding the Fourth Proportional to 623,961.90, 936,177.30 and 371,387.70

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Solution

The fourth proportional to 623,961.90, 936,177.30 and 371,387.70 is: 557,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,961.90 : 936,177.30 = 371,387.70 : x
  2. Step 2: Convert to fraction form
    623,961.90/936,177.30 = 371,387.70/x
  3. Step 3: Cross multiply
    623,961.90x = 936,177.30 × 371,387.70
  4. Step 4: Simplify right side
    623,961.90x = 347,684,734,239.21
  5. Step 5: Solve for x
    x = 347,684,734,239.21/623,961.90
  6. Step 6: Final answer
    x = 557,221.10

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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.