Home / 705,921.60-1,057,327.20-627,124.80

Finding the Fourth Proportional to 705,921.60, 1,057,327.20 and 627,124.80

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Solution

The fourth proportional to 705,921.60, 1,057,327.20 and 627,124.80 is: 939,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,921.60 : 1,057,327.20 = 627,124.80 : x
  2. Step 2: Convert to fraction form
    705,921.60/1,057,327.20 = 627,124.80/x
  3. Step 3: Cross multiply
    705,921.60x = 1,057,327.20 × 627,124.80
  4. Step 4: Simplify right side
    705,921.60x = 663,076,108,834.56
  5. Step 5: Solve for x
    x = 663,076,108,834.56/705,921.60
  6. Step 6: Final answer
    x = 939,305.60

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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.