Home / 467,841.69-645,621.75-252,981.90

Finding the Fourth Proportional to 467,841.69, 645,621.75 and 252,981.90

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Solution

The fourth proportional to 467,841.69, 645,621.75 and 252,981.90 is: 349,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,841.69 : 645,621.75 = 252,981.90 : x
  2. Step 2: Convert to fraction form
    467,841.69/645,621.75 = 252,981.90/x
  3. Step 3: Cross multiply
    467,841.69x = 645,621.75 × 252,981.90
  4. Step 4: Simplify right side
    467,841.69x = 163,330,616,996.33
  5. Step 5: Solve for x
    x = 163,330,616,996.33/467,841.69
  6. Step 6: Final answer
    x = 349,115.14

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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.