Home / 578,206.73-867,273.16-178,814.06

Finding the Fourth Proportional to 578,206.73, 867,273.16 and 178,814.06

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Solution

The fourth proportional to 578,206.73, 867,273.16 and 178,814.06 is: 268,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,206.73 : 867,273.16 = 178,814.06 : x
  2. Step 2: Convert to fraction form
    578,206.73/867,273.16 = 178,814.06/x
  3. Step 3: Cross multiply
    578,206.73x = 867,273.16 × 178,814.06
  4. Step 4: Simplify right side
    578,206.73x = 155,080,633,672.78
  5. Step 5: Solve for x
    x = 155,080,633,672.78/578,206.73
  6. Step 6: Final answer
    x = 268,209.66

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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.