Home / 738,148.80-1,107,223.20-364,900.80

Finding the Fourth Proportional to 738,148.80, 1,107,223.20 and 364,900.80

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Solution

The fourth proportional to 738,148.80, 1,107,223.20 and 364,900.80 is: 547,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,148.80 : 1,107,223.20 = 364,900.80 : x
  2. Step 2: Convert to fraction form
    738,148.80/1,107,223.20 = 364,900.80/x
  3. Step 3: Cross multiply
    738,148.80x = 1,107,223.20 × 364,900.80
  4. Step 4: Simplify right side
    738,148.80x = 404,026,631,458.56
  5. Step 5: Solve for x
    x = 404,026,631,458.56/738,148.80
  6. Step 6: Final answer
    x = 547,351.20

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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.