Home / 1,124,600.80-1,686,901.20-1,016,125.60

Finding the Fourth Proportional to 1,124,600.80, 1,686,901.20 and 1,016,125.60

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Solution

The fourth proportional to 1,124,600.80, 1,686,901.20 and 1,016,125.60 is: 1,524,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,600.80 : 1,686,901.20 = 1,016,125.60 : x
  2. Step 2: Convert to fraction form
    1,124,600.80/1,686,901.20 = 1,016,125.60/x
  3. Step 3: Cross multiply
    1,124,600.80x = 1,686,901.20 × 1,016,125.60
  4. Step 4: Simplify right side
    1,124,600.80x = 1,714,103,493,990.72
  5. Step 5: Solve for x
    x = 1,714,103,493,990.72/1,124,600.80
  6. Step 6: Final answer
    x = 1,524,188.40

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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.