Home / 572,196.97-789,385.12-345,711.25

Finding the Fourth Proportional to 572,196.97, 789,385.12 and 345,711.25

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Solution

The fourth proportional to 572,196.97, 789,385.12 and 345,711.25 is: 476,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,196.97 : 789,385.12 = 345,711.25 : x
  2. Step 2: Convert to fraction form
    572,196.97/789,385.12 = 345,711.25/x
  3. Step 3: Cross multiply
    572,196.97x = 789,385.12 × 345,711.25
  4. Step 4: Simplify right side
    572,196.97x = 272,899,316,566.60
  5. Step 5: Solve for x
    x = 272,899,316,566.60/572,196.97
  6. Step 6: Final answer
    x = 476,932.47

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Double scale
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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.