Home / 785,959.20-1,178,938.80-336,603.60

Finding the Fourth Proportional to 785,959.20, 1,178,938.80 and 336,603.60

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Solution

The fourth proportional to 785,959.20, 1,178,938.80 and 336,603.60 is: 504,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,959.20 : 1,178,938.80 = 336,603.60 : x
  2. Step 2: Convert to fraction form
    785,959.20/1,178,938.80 = 336,603.60/x
  3. Step 3: Cross multiply
    785,959.20x = 1,178,938.80 × 336,603.60
  4. Step 4: Simplify right side
    785,959.20x = 396,835,044,259.68
  5. Step 5: Solve for x
    x = 396,835,044,259.68/785,959.20
  6. Step 6: Final answer
    x = 504,905.40

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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.