Home / 511,397.84-766,973.70-156,414.92

Finding the Fourth Proportional to 511,397.84, 766,973.70 and 156,414.92

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Solution

The fourth proportional to 511,397.84, 766,973.70 and 156,414.92 is: 234,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,397.84 : 766,973.70 = 156,414.92 : x
  2. Step 2: Convert to fraction form
    511,397.84/766,973.70 = 156,414.92/x
  3. Step 3: Cross multiply
    511,397.84x = 766,973.70 × 156,414.92
  4. Step 4: Simplify right side
    511,397.84x = 119,966,129,927.60
  5. Step 5: Solve for x
    x = 119,966,129,927.60/511,397.84
  6. Step 6: Final answer
    x = 234,584.74

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1.5x scale

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.