Home / 1,542,922.60-2,314,753.44-643,864.20

Finding the Fourth Proportional to 1,542,922.60, 2,314,753.44 and 643,864.20

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Solution

The fourth proportional to 1,542,922.60, 2,314,753.44 and 643,864.20 is: 965,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,922.60 : 2,314,753.44 = 643,864.20 : x
  2. Step 2: Convert to fraction form
    1,542,922.60/2,314,753.44 = 643,864.20/x
  3. Step 3: Cross multiply
    1,542,922.60x = 2,314,753.44 × 643,864.20
  4. Step 4: Simplify right side
    1,542,922.60x = 1,490,386,871,842.85
  5. Step 5: Solve for x
    x = 1,490,386,871,842.85/1,542,922.60
  6. Step 6: Final answer
    x = 965,950.51

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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.