Home / 304,769.20-420,585.95-175,705.46

Finding the Fourth Proportional to 304,769.20, 420,585.95 and 175,705.46

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Solution

The fourth proportional to 304,769.20, 420,585.95 and 175,705.46 is: 242,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,769.20 : 420,585.95 = 175,705.46 : x
  2. Step 2: Convert to fraction form
    304,769.20/420,585.95 = 175,705.46/x
  3. Step 3: Cross multiply
    304,769.20x = 420,585.95 × 175,705.46
  4. Step 4: Simplify right side
    304,769.20x = 73,899,247,814.29
  5. Step 5: Solve for x
    x = 73,899,247,814.29/304,769.20
  6. Step 6: Final answer
    x = 242,476.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.