Home / 674,100.27-929,642.31-526,944.60

Finding the Fourth Proportional to 674,100.27, 929,642.31 and 526,944.60

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Solution

The fourth proportional to 674,100.27, 929,642.31 and 526,944.60 is: 726,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,100.27 : 929,642.31 = 526,944.60 : x
  2. Step 2: Convert to fraction form
    674,100.27/929,642.31 = 526,944.60/x
  3. Step 3: Cross multiply
    674,100.27x = 929,642.31 × 526,944.60
  4. Step 4: Simplify right side
    674,100.27x = 489,869,995,186.03
  5. Step 5: Solve for x
    x = 489,869,995,186.03/674,100.27
  6. Step 6: Final answer
    x = 726,701.97

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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.