Home / 452,721.59-623,964.98-331,605.53

Finding the Fourth Proportional to 452,721.59, 623,964.98 and 331,605.53

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Solution

The fourth proportional to 452,721.59, 623,964.98 and 331,605.53 is: 457,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,721.59 : 623,964.98 = 331,605.53 : x
  2. Step 2: Convert to fraction form
    452,721.59/623,964.98 = 331,605.53/x
  3. Step 3: Cross multiply
    452,721.59x = 623,964.98 × 331,605.53
  4. Step 4: Simplify right side
    452,721.59x = 206,910,236,236.31
  5. Step 5: Solve for x
    x = 206,910,236,236.31/452,721.59
  6. Step 6: Final answer
    x = 457,036.38

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1.5x scale

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.