Home / 1,006,778.80-1,389,354.92-554,069.84

Finding the Fourth Proportional to 1,006,778.80, 1,389,354.92 and 554,069.84

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Solution

The fourth proportional to 1,006,778.80, 1,389,354.92 and 554,069.84 is: 764,616.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,778.80 : 1,389,354.92 = 554,069.84 : x
  2. Step 2: Convert to fraction form
    1,006,778.80/1,389,354.92 = 554,069.84/x
  3. Step 3: Cross multiply
    1,006,778.80x = 1,389,354.92 × 554,069.84
  4. Step 4: Simplify right side
    1,006,778.80x = 769,799,658,227.61
  5. Step 5: Solve for x
    x = 769,799,658,227.61/1,006,778.80
  6. Step 6: Final answer
    x = 764,616.48

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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.