Home / 563,614.40-845,536.80-189,675.20

Finding the Fourth Proportional to 563,614.40, 845,536.80 and 189,675.20

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Solution

The fourth proportional to 563,614.40, 845,536.80 and 189,675.20 is: 284,551.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,614.40 : 845,536.80 = 189,675.20 : x
  2. Step 2: Convert to fraction form
    563,614.40/845,536.80 = 189,675.20/x
  3. Step 3: Cross multiply
    563,614.40x = 845,536.80 × 189,675.20
  4. Step 4: Simplify right side
    563,614.40x = 160,377,361,647.36
  5. Step 5: Solve for x
    x = 160,377,361,647.36/563,614.40
  6. Step 6: Final answer
    x = 284,551.57

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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.