Home / 539,845.29-739,584.61-519,659.01

Finding the Fourth Proportional to 539,845.29, 739,584.61 and 519,659.01

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Solution

The fourth proportional to 539,845.29, 739,584.61 and 519,659.01 is: 711,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,845.29 : 739,584.61 = 519,659.01 : x
  2. Step 2: Convert to fraction form
    539,845.29/739,584.61 = 519,659.01/x
  3. Step 3: Cross multiply
    539,845.29x = 739,584.61 × 519,659.01
  4. Step 4: Simplify right side
    539,845.29x = 384,331,804,944.69
  5. Step 5: Solve for x
    x = 384,331,804,944.69/539,845.29
  6. Step 6: Final answer
    x = 711,929.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.