Home / 719,025.39-992,275.80-396,756.24

Finding the Fourth Proportional to 719,025.39, 992,275.80 and 396,756.24

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Solution

The fourth proportional to 719,025.39, 992,275.80 and 396,756.24 is: 547,535.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,025.39 : 992,275.80 = 396,756.24 : x
  2. Step 2: Convert to fraction form
    719,025.39/992,275.80 = 396,756.24/x
  3. Step 3: Cross multiply
    719,025.39x = 992,275.80 × 396,756.24
  4. Step 4: Simplify right side
    719,025.39x = 393,691,615,450.99
  5. Step 5: Solve for x
    x = 393,691,615,450.99/719,025.39
  6. Step 6: Final answer
    x = 547,535.07

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Double scale
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Similar ratio
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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.