Home / 719,023.39-992,273.04-396,754.24

Finding the Fourth Proportional to 719,023.39, 992,273.04 and 396,754.24

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Solution

The fourth proportional to 719,023.39, 992,273.04 and 396,754.24 is: 547,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,023.39 : 992,273.04 = 396,754.24 : x
  2. Step 2: Convert to fraction form
    719,023.39/992,273.04 = 396,754.24/x
  3. Step 3: Cross multiply
    719,023.39x = 992,273.04 × 396,754.24
  4. Step 4: Simplify right side
    719,023.39x = 393,688,530,896.32
  5. Step 5: Solve for x
    x = 393,688,530,896.32/719,023.39
  6. Step 6: Final answer
    x = 547,532.30

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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.