Home / 824,133.60-1,236,200.40-637,279.20

Finding the Fourth Proportional to 824,133.60, 1,236,200.40 and 637,279.20

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Solution

The fourth proportional to 824,133.60, 1,236,200.40 and 637,279.20 is: 955,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,133.60 : 1,236,200.40 = 637,279.20 : x
  2. Step 2: Convert to fraction form
    824,133.60/1,236,200.40 = 637,279.20/x
  3. Step 3: Cross multiply
    824,133.60x = 1,236,200.40 × 637,279.20
  4. Step 4: Simplify right side
    824,133.60x = 787,804,801,951.68
  5. Step 5: Solve for x
    x = 787,804,801,951.68/824,133.60
  6. Step 6: Final answer
    x = 955,918.80

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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.