Home / 985,453.60-1,478,180.40-826,021.30

Finding the Fourth Proportional to 985,453.60, 1,478,180.40 and 826,021.30

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Solution

The fourth proportional to 985,453.60, 1,478,180.40 and 826,021.30 is: 1,239,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,453.60 : 1,478,180.40 = 826,021.30 : x
  2. Step 2: Convert to fraction form
    985,453.60/1,478,180.40 = 826,021.30/x
  3. Step 3: Cross multiply
    985,453.60x = 1,478,180.40 × 826,021.30
  4. Step 4: Simplify right side
    985,453.60x = 1,221,008,495,642.52
  5. Step 5: Solve for x
    x = 1,221,008,495,642.52/985,453.60
  6. Step 6: Final answer
    x = 1,239,031.95

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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.