Home / 443,986.16-612,699.92-240,037.12

Finding the Fourth Proportional to 443,986.16, 612,699.92 and 240,037.12

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Solution

The fourth proportional to 443,986.16, 612,699.92 and 240,037.12 is: 331,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,986.16 : 612,699.92 = 240,037.12 : x
  2. Step 2: Convert to fraction form
    443,986.16/612,699.92 = 240,037.12/x
  3. Step 3: Cross multiply
    443,986.16x = 612,699.92 × 240,037.12
  4. Step 4: Simplify right side
    443,986.16x = 147,070,724,221.03
  5. Step 5: Solve for x
    x = 147,070,724,221.03/443,986.16
  6. Step 6: Final answer
    x = 331,250.70

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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.