Home / 968,978.60-1,337,180.06-539,251.48

Finding the Fourth Proportional to 968,978.60, 1,337,180.06 and 539,251.48

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Solution

The fourth proportional to 968,978.60, 1,337,180.06 and 539,251.48 is: 744,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,978.60 : 1,337,180.06 = 539,251.48 : x
  2. Step 2: Convert to fraction form
    968,978.60/1,337,180.06 = 539,251.48/x
  3. Step 3: Cross multiply
    968,978.60x = 1,337,180.06 × 539,251.48
  4. Step 4: Simplify right side
    968,978.60x = 721,076,326,381.49
  5. Step 5: Solve for x
    x = 721,076,326,381.49/968,978.60
  6. Step 6: Final answer
    x = 744,161.25

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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.