Home / 578,434.80-867,619.80-179,072.40

Finding the Fourth Proportional to 578,434.80, 867,619.80 and 179,072.40

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Solution

The fourth proportional to 578,434.80, 867,619.80 and 179,072.40 is: 268,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,434.80 : 867,619.80 = 179,072.40 : x
  2. Step 2: Convert to fraction form
    578,434.80/867,619.80 = 179,072.40/x
  3. Step 3: Cross multiply
    578,434.80x = 867,619.80 × 179,072.40
  4. Step 4: Simplify right side
    578,434.80x = 155,366,759,873.52
  5. Step 5: Solve for x
    x = 155,366,759,873.52/578,434.80
  6. Step 6: Final answer
    x = 268,598.57

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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.