Home / 738,175.80-1,107,263.70-605,206.20

Finding the Fourth Proportional to 738,175.80, 1,107,263.70 and 605,206.20

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Solution

The fourth proportional to 738,175.80, 1,107,263.70 and 605,206.20 is: 907,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,175.80 : 1,107,263.70 = 605,206.20 : x
  2. Step 2: Convert to fraction form
    738,175.80/1,107,263.70 = 605,206.20/x
  3. Step 3: Cross multiply
    738,175.80x = 1,107,263.70 × 605,206.20
  4. Step 4: Simplify right side
    738,175.80x = 670,122,856,274.94
  5. Step 5: Solve for x
    x = 670,122,856,274.94/738,175.80
  6. Step 6: Final answer
    x = 907,809.30

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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.