Home / 437,920.20-657,053.10-171,635.40

Finding the Fourth Proportional to 437,920.20, 657,053.10 and 171,635.40

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Solution

The fourth proportional to 437,920.20, 657,053.10 and 171,635.40 is: 257,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,920.20 : 657,053.10 = 171,635.40 : x
  2. Step 2: Convert to fraction form
    437,920.20/657,053.10 = 171,635.40/x
  3. Step 3: Cross multiply
    437,920.20x = 657,053.10 × 171,635.40
  4. Step 4: Simplify right side
    437,920.20x = 112,773,571,639.74
  5. Step 5: Solve for x
    x = 112,773,571,639.74/437,920.20
  6. Step 6: Final answer
    x = 257,520.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.