Home / 805,147.76-1,111,091.45-442,563.83

Finding the Fourth Proportional to 805,147.76, 1,111,091.45 and 442,563.83

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Solution

The fourth proportional to 805,147.76, 1,111,091.45 and 442,563.83 is: 610,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,147.76 : 1,111,091.45 = 442,563.83 : x
  2. Step 2: Convert to fraction form
    805,147.76/1,111,091.45 = 442,563.83/x
  3. Step 3: Cross multiply
    805,147.76x = 1,111,091.45 × 442,563.83
  4. Step 4: Simplify right side
    805,147.76x = 491,728,890,240.46
  5. Step 5: Solve for x
    x = 491,728,890,240.46/805,147.76
  6. Step 6: Final answer
    x = 610,731.24

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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.