Home / 861,539.52-1,188,904.83-539,427.23

Finding the Fourth Proportional to 861,539.52, 1,188,904.83 and 539,427.23

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Solution

The fourth proportional to 861,539.52, 1,188,904.83 and 539,427.23 is: 744,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,539.52 : 1,188,904.83 = 539,427.23 : x
  2. Step 2: Convert to fraction form
    861,539.52/1,188,904.83 = 539,427.23/x
  3. Step 3: Cross multiply
    861,539.52x = 1,188,904.83 × 539,427.23
  4. Step 4: Simplify right side
    861,539.52x = 641,327,633,236.00
  5. Step 5: Solve for x
    x = 641,327,633,236.00/861,539.52
  6. Step 6: Final answer
    x = 744,397.23

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1.5x scale

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.