Home / 546,532.13-754,280.15-320,177.63

Finding the Fourth Proportional to 546,532.13, 754,280.15 and 320,177.63

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Solution

The fourth proportional to 546,532.13, 754,280.15 and 320,177.63 is: 441,883.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,532.13 : 754,280.15 = 320,177.63 : x
  2. Step 2: Convert to fraction form
    546,532.13/754,280.15 = 320,177.63/x
  3. Step 3: Cross multiply
    546,532.13x = 754,280.15 × 320,177.63
  4. Step 4: Simplify right side
    546,532.13x = 241,503,625,410.76
  5. Step 5: Solve for x
    x = 241,503,625,410.76/546,532.13
  6. Step 6: Final answer
    x = 441,883.68

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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.