Home / 884,443.20-1,220,535.76-502,490.96

Finding the Fourth Proportional to 884,443.20, 1,220,535.76 and 502,490.96

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Solution

The fourth proportional to 884,443.20, 1,220,535.76 and 502,490.96 is: 693,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,443.20 : 1,220,535.76 = 502,490.96 : x
  2. Step 2: Convert to fraction form
    884,443.20/1,220,535.76 = 502,490.96/x
  3. Step 3: Cross multiply
    884,443.20x = 1,220,535.76 × 502,490.96
  4. Step 4: Simplify right side
    884,443.20x = 613,308,185,756.73
  5. Step 5: Solve for x
    x = 613,308,185,756.73/884,443.20
  6. Step 6: Final answer
    x = 693,439.88

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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.