Home / 738,110.80-1,107,166.20-364,862.80

Finding the Fourth Proportional to 738,110.80, 1,107,166.20 and 364,862.80

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Solution

The fourth proportional to 738,110.80, 1,107,166.20 and 364,862.80 is: 547,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,110.80 : 1,107,166.20 = 364,862.80 : x
  2. Step 2: Convert to fraction form
    738,110.80/1,107,166.20 = 364,862.80/x
  3. Step 3: Cross multiply
    738,110.80x = 1,107,166.20 × 364,862.80
  4. Step 4: Simplify right side
    738,110.80x = 403,963,759,797.36
  5. Step 5: Solve for x
    x = 403,963,759,797.36/738,110.80
  6. Step 6: Final answer
    x = 547,294.20

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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.