Home / 712,165.57-982,882.04-406,171.81

Finding the Fourth Proportional to 712,165.57, 982,882.04 and 406,171.81

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Solution

The fourth proportional to 712,165.57, 982,882.04 and 406,171.81 is: 560,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,165.57 : 982,882.04 = 406,171.81 : x
  2. Step 2: Convert to fraction form
    712,165.57/982,882.04 = 406,171.81/x
  3. Step 3: Cross multiply
    712,165.57x = 982,882.04 × 406,171.81
  4. Step 4: Simplify right side
    712,165.57x = 399,218,970,258.02
  5. Step 5: Solve for x
    x = 399,218,970,258.02/712,165.57
  6. Step 6: Final answer
    x = 560,570.45

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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.