Home / 712,572.24-982,876.60-458,245.20

Finding the Fourth Proportional to 712,572.24, 982,876.60 and 458,245.20

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Solution

The fourth proportional to 712,572.24, 982,876.60 and 458,245.20 is: 632,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,572.24 : 982,876.60 = 458,245.20 : x
  2. Step 2: Convert to fraction form
    712,572.24/982,876.60 = 458,245.20/x
  3. Step 3: Cross multiply
    712,572.24x = 982,876.60 × 458,245.20
  4. Step 4: Simplify right side
    712,572.24x = 450,398,484,142.32
  5. Step 5: Solve for x
    x = 450,398,484,142.32/712,572.24
  6. Step 6: Final answer
    x = 632,074.14

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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.