Home / 738,133.80-1,107,200.70-364,885.80

Finding the Fourth Proportional to 738,133.80, 1,107,200.70 and 364,885.80

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Solution

The fourth proportional to 738,133.80, 1,107,200.70 and 364,885.80 is: 547,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,133.80 : 1,107,200.70 = 364,885.80 : x
  2. Step 2: Convert to fraction form
    738,133.80/1,107,200.70 = 364,885.80/x
  3. Step 3: Cross multiply
    738,133.80x = 1,107,200.70 × 364,885.80
  4. Step 4: Simplify right side
    738,133.80x = 404,001,813,180.06
  5. Step 5: Solve for x
    x = 404,001,813,180.06/738,133.80
  6. Step 6: Final answer
    x = 547,328.70

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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.