Home / 805,043.46-1,110,966.92-442,475.76

Finding the Fourth Proportional to 805,043.46, 1,110,966.92 and 442,475.76

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Solution

The fourth proportional to 805,043.46, 1,110,966.92 and 442,475.76 is: 610,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,043.46 : 1,110,966.92 = 442,475.76 : x
  2. Step 2: Convert to fraction form
    805,043.46/1,110,966.92 = 442,475.76/x
  3. Step 3: Cross multiply
    805,043.46x = 1,110,966.92 × 442,475.76
  4. Step 4: Simplify right side
    805,043.46x = 491,575,934,630.43
  5. Step 5: Solve for x
    x = 491,575,934,630.43/805,043.46
  6. Step 6: Final answer
    x = 610,620.37

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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.