Home / 929,662.71-1,282,937.21-516,200.39

Finding the Fourth Proportional to 929,662.71, 1,282,937.21 and 516,200.39

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Solution

The fourth proportional to 929,662.71, 1,282,937.21 and 516,200.39 is: 712,358.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,662.71 : 1,282,937.21 = 516,200.39 : x
  2. Step 2: Convert to fraction form
    929,662.71/1,282,937.21 = 516,200.39/x
  3. Step 3: Cross multiply
    929,662.71x = 1,282,937.21 × 516,200.39
  4. Step 4: Simplify right side
    929,662.71x = 662,252,679,151.82
  5. Step 5: Solve for x
    x = 662,252,679,151.82/929,662.71
  6. Step 6: Final answer
    x = 712,358.01

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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.