Home / 1,134,145.80-1,701,162.18-424,121.64

Finding the Fourth Proportional to 1,134,145.80, 1,701,162.18 and 424,121.64

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Solution

The fourth proportional to 1,134,145.80, 1,701,162.18 and 424,121.64 is: 636,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,145.80 : 1,701,162.18 = 424,121.64 : x
  2. Step 2: Convert to fraction form
    1,134,145.80/1,701,162.18 = 424,121.64/x
  3. Step 3: Cross multiply
    1,134,145.80x = 1,701,162.18 × 424,121.64
  4. Step 4: Simplify right side
    1,134,145.80x = 721,499,693,687.58
  5. Step 5: Solve for x
    x = 721,499,693,687.58/1,134,145.80
  6. Step 6: Final answer
    x = 636,161.32

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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.