Home / 572,512.20-858,768.30-502,528.20

Finding the Fourth Proportional to 572,512.20, 858,768.30 and 502,528.20

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Solution

The fourth proportional to 572,512.20, 858,768.30 and 502,528.20 is: 753,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,512.20 : 858,768.30 = 502,528.20 : x
  2. Step 2: Convert to fraction form
    572,512.20/858,768.30 = 502,528.20/x
  3. Step 3: Cross multiply
    572,512.20x = 858,768.30 × 502,528.20
  4. Step 4: Simplify right side
    572,512.20x = 431,555,288,016.06
  5. Step 5: Solve for x
    x = 431,555,288,016.06/572,512.20
  6. Step 6: Final answer
    x = 753,792.30

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Half scale
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Double scale
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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.