Home / 1,387,566.60-1,915,432.16-843,877.04

Finding the Fourth Proportional to 1,387,566.60, 1,915,432.16 and 843,877.04

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Solution

The fourth proportional to 1,387,566.60, 1,915,432.16 and 843,877.04 is: 1,164,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,566.60 : 1,915,432.16 = 843,877.04 : x
  2. Step 2: Convert to fraction form
    1,387,566.60/1,915,432.16 = 843,877.04/x
  3. Step 3: Cross multiply
    1,387,566.60x = 1,915,432.16 × 843,877.04
  4. Step 4: Simplify right side
    1,387,566.60x = 1,616,389,212,451.87
  5. Step 5: Solve for x
    x = 1,616,389,212,451.87/1,387,566.60
  6. Step 6: Final answer
    x = 1,164,909.28

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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.