Home / 738,169.80-1,107,254.70-605,200.20

Finding the Fourth Proportional to 738,169.80, 1,107,254.70 and 605,200.20

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Solution

The fourth proportional to 738,169.80, 1,107,254.70 and 605,200.20 is: 907,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,169.80 : 1,107,254.70 = 605,200.20 : x
  2. Step 2: Convert to fraction form
    738,169.80/1,107,254.70 = 605,200.20/x
  3. Step 3: Cross multiply
    738,169.80x = 1,107,254.70 × 605,200.20
  4. Step 4: Simplify right side
    738,169.80x = 670,110,765,890.94
  5. Step 5: Solve for x
    x = 670,110,765,890.94/738,169.80
  6. Step 6: Final answer
    x = 907,800.30

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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.