Home / 717,793.60-1,077,856.80-519,505.60

Finding the Fourth Proportional to 717,793.60, 1,077,856.80 and 519,505.60

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Solution

The fourth proportional to 717,793.60, 1,077,856.80 and 519,505.60 is: 780,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,793.60 : 1,077,856.80 = 519,505.60 : x
  2. Step 2: Convert to fraction form
    717,793.60/1,077,856.80 = 519,505.60/x
  3. Step 3: Cross multiply
    717,793.60x = 1,077,856.80 × 519,505.60
  4. Step 4: Simplify right side
    717,793.60x = 559,952,643,598.08
  5. Step 5: Solve for x
    x = 559,952,643,598.08/717,793.60
  6. Step 6: Final answer
    x = 780,102.59

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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.