Home / 774,544.23-1,068,539.48-483,650.78

Finding the Fourth Proportional to 774,544.23, 1,068,539.48 and 483,650.78

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Solution

The fourth proportional to 774,544.23, 1,068,539.48 and 483,650.78 is: 667,231.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,544.23 : 1,068,539.48 = 483,650.78 : x
  2. Step 2: Convert to fraction form
    774,544.23/1,068,539.48 = 483,650.78/x
  3. Step 3: Cross multiply
    774,544.23x = 1,068,539.48 × 483,650.78
  4. Step 4: Simplify right side
    774,544.23x = 516,799,953,215.89
  5. Step 5: Solve for x
    x = 516,799,953,215.89/774,544.23
  6. Step 6: Final answer
    x = 667,231.04

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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.