Home / 1,000,873.20-1,381,303.82-571,217.61

Finding the Fourth Proportional to 1,000,873.20, 1,381,303.82 and 571,217.61

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Solution

The fourth proportional to 1,000,873.20, 1,381,303.82 and 571,217.61 is: 788,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,873.20 : 1,381,303.82 = 571,217.61 : x
  2. Step 2: Convert to fraction form
    1,000,873.20/1,381,303.82 = 571,217.61/x
  3. Step 3: Cross multiply
    1,000,873.20x = 1,381,303.82 × 571,217.61
  4. Step 4: Simplify right side
    1,000,873.20x = 789,025,070,139.11
  5. Step 5: Solve for x
    x = 789,025,070,139.11/1,000,873.20
  6. Step 6: Final answer
    x = 788,336.69

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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.