Home / 1,986,969.40-2,979,557.43-566,687.86

Finding the Fourth Proportional to 1,986,969.40, 2,979,557.43 and 566,687.86

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Solution

The fourth proportional to 1,986,969.40, 2,979,557.43 and 566,687.86 is: 849,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,969.40 : 2,979,557.43 = 566,687.86 : x
  2. Step 2: Convert to fraction form
    1,986,969.40/2,979,557.43 = 566,687.86/x
  3. Step 3: Cross multiply
    1,986,969.40x = 2,979,557.43 × 566,687.86
  4. Step 4: Simplify right side
    1,986,969.40x = 1,688,479,023,753.80
  5. Step 5: Solve for x
    x = 1,688,479,023,753.80/1,986,969.40
  6. Step 6: Final answer
    x = 849,776.06

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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.