Home / 1,063,405.80-1,595,410.02-432,772.20

Finding the Fourth Proportional to 1,063,405.80, 1,595,410.02 and 432,772.20

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Solution

The fourth proportional to 1,063,405.80, 1,595,410.02 and 432,772.20 is: 649,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,405.80 : 1,595,410.02 = 432,772.20 : x
  2. Step 2: Convert to fraction form
    1,063,405.80/1,595,410.02 = 432,772.20/x
  3. Step 3: Cross multiply
    1,063,405.80x = 1,595,410.02 × 432,772.20
  4. Step 4: Simplify right side
    1,063,405.80x = 690,449,104,257.44
  5. Step 5: Solve for x
    x = 690,449,104,257.44/1,063,405.80
  6. Step 6: Final answer
    x = 649,280.93

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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.