Home / 572,512.30-858,768.45-198,535.30

Finding the Fourth Proportional to 572,512.30, 858,768.45 and 198,535.30

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Solution

The fourth proportional to 572,512.30, 858,768.45 and 198,535.30 is: 297,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,512.30 : 858,768.45 = 198,535.30 : x
  2. Step 2: Convert to fraction form
    572,512.30/858,768.45 = 198,535.30/x
  3. Step 3: Cross multiply
    572,512.30x = 858,768.45 × 198,535.30
  4. Step 4: Simplify right side
    572,512.30x = 170,495,851,851.29
  5. Step 5: Solve for x
    x = 170,495,851,851.29/572,512.30
  6. Step 6: Final answer
    x = 297,802.95

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Double scale
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Similar ratio
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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.