Home / 744,016.26-1,026,822.60-421,691.70

Finding the Fourth Proportional to 744,016.26, 1,026,822.60 and 421,691.70

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Solution

The fourth proportional to 744,016.26, 1,026,822.60 and 421,691.70 is: 581,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,016.26 : 1,026,822.60 = 421,691.70 : x
  2. Step 2: Convert to fraction form
    744,016.26/1,026,822.60 = 421,691.70/x
  3. Step 3: Cross multiply
    744,016.26x = 1,026,822.60 × 421,691.70
  4. Step 4: Simplify right side
    744,016.26x = 433,002,567,792.42
  5. Step 5: Solve for x
    x = 433,002,567,792.42/744,016.26
  6. Step 6: Final answer
    x = 581,979.98

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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.