Home / 563,500.80-777,930.48-383,175.36

Finding the Fourth Proportional to 563,500.80, 777,930.48 and 383,175.36

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Solution

The fourth proportional to 563,500.80, 777,930.48 and 383,175.36 is: 528,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,500.80 : 777,930.48 = 383,175.36 : x
  2. Step 2: Convert to fraction form
    563,500.80/777,930.48 = 383,175.36/x
  3. Step 3: Cross multiply
    563,500.80x = 777,930.48 × 383,175.36
  4. Step 4: Simplify right side
    563,500.80x = 298,083,791,728.97
  5. Step 5: Solve for x
    x = 298,083,791,728.97/563,500.80
  6. Step 6: Final answer
    x = 528,985.57

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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.