Home / 749,143.16-1,034,098.69-491,036.73

Finding the Fourth Proportional to 749,143.16, 1,034,098.69 and 491,036.73

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Solution

The fourth proportional to 749,143.16, 1,034,098.69 and 491,036.73 is: 677,814.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,143.16 : 1,034,098.69 = 491,036.73 : x
  2. Step 2: Convert to fraction form
    749,143.16/1,034,098.69 = 491,036.73/x
  3. Step 3: Cross multiply
    749,143.16x = 1,034,098.69 × 491,036.73
  4. Step 4: Simplify right side
    749,143.16x = 507,780,434,194.45
  5. Step 5: Solve for x
    x = 507,780,434,194.45/749,143.16
  6. Step 6: Final answer
    x = 677,814.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.