Home / 1,046,129.90-1,569,340.65-447,086.30

Finding the Fourth Proportional to 1,046,129.90, 1,569,340.65 and 447,086.30

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Solution

The fourth proportional to 1,046,129.90, 1,569,340.65 and 447,086.30 is: 670,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,129.90 : 1,569,340.65 = 447,086.30 : x
  2. Step 2: Convert to fraction form
    1,046,129.90/1,569,340.65 = 447,086.30/x
  3. Step 3: Cross multiply
    1,046,129.90x = 1,569,340.65 × 447,086.30
  4. Step 4: Simplify right side
    1,046,129.90x = 701,630,704,648.10
  5. Step 5: Solve for x
    x = 701,630,704,648.10/1,046,129.90
  6. Step 6: Final answer
    x = 670,691.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.