Home / 733,459.20-1,012,388.76-478,848.48

Finding the Fourth Proportional to 733,459.20, 1,012,388.76 and 478,848.48

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Solution

The fourth proportional to 733,459.20, 1,012,388.76 and 478,848.48 is: 660,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,459.20 : 1,012,388.76 = 478,848.48 : x
  2. Step 2: Convert to fraction form
    733,459.20/1,012,388.76 = 478,848.48/x
  3. Step 3: Cross multiply
    733,459.20x = 1,012,388.76 × 478,848.48
  4. Step 4: Simplify right side
    733,459.20x = 484,780,818,895.09
  5. Step 5: Solve for x
    x = 484,780,818,895.09/733,459.20
  6. Step 6: Final answer
    x = 660,951.31

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Double scale
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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.