Home / 927,477.80-1,391,180.16-328,414.76

Finding the Fourth Proportional to 927,477.80, 1,391,180.16 and 328,414.76

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Solution

The fourth proportional to 927,477.80, 1,391,180.16 and 328,414.76 is: 492,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,477.80 : 1,391,180.16 = 328,414.76 : x
  2. Step 2: Convert to fraction form
    927,477.80/1,391,180.16 = 328,414.76/x
  3. Step 3: Cross multiply
    927,477.80x = 1,391,180.16 × 328,414.76
  4. Step 4: Simplify right side
    927,477.80x = 456,884,098,363.16
  5. Step 5: Solve for x
    x = 456,884,098,363.16/927,477.80
  6. Step 6: Final answer
    x = 492,609.20

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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.