Home / 461,204.60-636,365.58-280,011.92

Finding the Fourth Proportional to 461,204.60, 636,365.58 and 280,011.92

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Solution

The fourth proportional to 461,204.60, 636,365.58 and 280,011.92 is: 386,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,204.60 : 636,365.58 = 280,011.92 : x
  2. Step 2: Convert to fraction form
    461,204.60/636,365.58 = 280,011.92/x
  3. Step 3: Cross multiply
    461,204.60x = 636,365.58 × 280,011.92
  4. Step 4: Simplify right side
    461,204.60x = 178,189,947,877.71
  5. Step 5: Solve for x
    x = 178,189,947,877.71/461,204.60
  6. Step 6: Final answer
    x = 386,357.70

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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.