Home / 755,723.20-1,133,584.80-664,484.80

Finding the Fourth Proportional to 755,723.20, 1,133,584.80 and 664,484.80

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Solution

The fourth proportional to 755,723.20, 1,133,584.80 and 664,484.80 is: 996,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,723.20 : 1,133,584.80 = 664,484.80 : x
  2. Step 2: Convert to fraction form
    755,723.20/1,133,584.80 = 664,484.80/x
  3. Step 3: Cross multiply
    755,723.20x = 1,133,584.80 × 664,484.80
  4. Step 4: Simplify right side
    755,723.20x = 753,249,869,111.04
  5. Step 5: Solve for x
    x = 753,249,869,111.04/755,723.20
  6. Step 6: Final answer
    x = 996,727.20

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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.