Home / 982,891.20-1,356,433.52-553,199.20

Finding the Fourth Proportional to 982,891.20, 1,356,433.52 and 553,199.20

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Solution

The fourth proportional to 982,891.20, 1,356,433.52 and 553,199.20 is: 763,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,891.20 : 1,356,433.52 = 553,199.20 : x
  2. Step 2: Convert to fraction form
    982,891.20/1,356,433.52 = 553,199.20/x
  3. Step 3: Cross multiply
    982,891.20x = 1,356,433.52 × 553,199.20
  4. Step 4: Simplify right side
    982,891.20x = 750,377,938,117.18
  5. Step 5: Solve for x
    x = 750,377,938,117.18/982,891.20
  6. Step 6: Final answer
    x = 763,439.47

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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.