Home / 738,170.30-1,107,255.45-605,200.70

Finding the Fourth Proportional to 738,170.30, 1,107,255.45 and 605,200.70

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Solution

The fourth proportional to 738,170.30, 1,107,255.45 and 605,200.70 is: 907,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,170.30 : 1,107,255.45 = 605,200.70 : x
  2. Step 2: Convert to fraction form
    738,170.30/1,107,255.45 = 605,200.70/x
  3. Step 3: Cross multiply
    738,170.30x = 1,107,255.45 × 605,200.70
  4. Step 4: Simplify right side
    738,170.30x = 670,111,773,418.82
  5. Step 5: Solve for x
    x = 670,111,773,418.82/738,170.30
  6. Step 6: Final answer
    x = 907,801.05

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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.