Home / 543,815.10-750,584.88-302,180.76

Finding the Fourth Proportional to 543,815.10, 750,584.88 and 302,180.76

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Solution

The fourth proportional to 543,815.10, 750,584.88 and 302,180.76 is: 417,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,815.10 : 750,584.88 = 302,180.76 : x
  2. Step 2: Convert to fraction form
    543,815.10/750,584.88 = 302,180.76/x
  3. Step 3: Cross multiply
    543,815.10x = 750,584.88 × 302,180.76
  4. Step 4: Simplify right side
    543,815.10x = 226,812,309,482.91
  5. Step 5: Solve for x
    x = 226,812,309,482.91/543,815.10
  6. Step 6: Final answer
    x = 417,076.15

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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.