Home / 719,025.89-992,276.49-396,756.74

Finding the Fourth Proportional to 719,025.89, 992,276.49 and 396,756.74

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Solution

The fourth proportional to 719,025.89, 992,276.49 and 396,756.74 is: 547,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,025.89 : 992,276.49 = 396,756.74 : x
  2. Step 2: Convert to fraction form
    719,025.89/992,276.49 = 396,756.74/x
  3. Step 3: Cross multiply
    719,025.89x = 992,276.49 × 396,756.74
  4. Step 4: Simplify right side
    719,025.89x = 393,692,385,351.04
  5. Step 5: Solve for x
    x = 393,692,385,351.04/719,025.89
  6. Step 6: Final answer
    x = 547,535.76

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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.