Home / 466,080.57-643,172.67-275,155.47

Finding the Fourth Proportional to 466,080.57, 643,172.67 and 275,155.47

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Solution

The fourth proportional to 466,080.57, 643,172.67 and 275,155.47 is: 379,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,080.57 : 643,172.67 = 275,155.47 : x
  2. Step 2: Convert to fraction form
    466,080.57/643,172.67 = 275,155.47/x
  3. Step 3: Cross multiply
    466,080.57x = 643,172.67 × 275,155.47
  4. Step 4: Simplify right side
    466,080.57x = 176,972,478,305.01
  5. Step 5: Solve for x
    x = 176,972,478,305.01/466,080.57
  6. Step 6: Final answer
    x = 379,703.62

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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.