Home / 371,926.80-557,890.20-356,180.40

Finding the Fourth Proportional to 371,926.80, 557,890.20 and 356,180.40

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Solution

The fourth proportional to 371,926.80, 557,890.20 and 356,180.40 is: 534,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,926.80 : 557,890.20 = 356,180.40 : x
  2. Step 2: Convert to fraction form
    371,926.80/557,890.20 = 356,180.40/x
  3. Step 3: Cross multiply
    371,926.80x = 557,890.20 × 356,180.40
  4. Step 4: Simplify right side
    371,926.80x = 198,709,554,592.08
  5. Step 5: Solve for x
    x = 198,709,554,592.08/371,926.80
  6. Step 6: Final answer
    x = 534,270.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.