Home / 692,481.28-955,626.78-386,552.20

Finding the Fourth Proportional to 692,481.28, 955,626.78 and 386,552.20

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Solution

The fourth proportional to 692,481.28, 955,626.78 and 386,552.20 is: 533,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,481.28 : 955,626.78 = 386,552.20 : x
  2. Step 2: Convert to fraction form
    692,481.28/955,626.78 = 386,552.20/x
  3. Step 3: Cross multiply
    692,481.28x = 955,626.78 × 386,552.20
  4. Step 4: Simplify right side
    692,481.28x = 369,399,634,187.92
  5. Step 5: Solve for x
    x = 369,399,634,187.92/692,481.28
  6. Step 6: Final answer
    x = 533,443.49

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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.