Home / 598,741.60-898,237.20-199,506.40

Finding the Fourth Proportional to 598,741.60, 898,237.20 and 199,506.40

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Solution

The fourth proportional to 598,741.60, 898,237.20 and 199,506.40 is: 299,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,741.60 : 898,237.20 = 199,506.40 : x
  2. Step 2: Convert to fraction form
    598,741.60/898,237.20 = 199,506.40/x
  3. Step 3: Cross multiply
    598,741.60x = 898,237.20 × 199,506.40
  4. Step 4: Simplify right side
    598,741.60x = 179,204,070,118.08
  5. Step 5: Solve for x
    x = 179,204,070,118.08/598,741.60
  6. Step 6: Final answer
    x = 299,301.18

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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.