Home / 674,766.40-1,012,149.60-176,130.40

Finding the Fourth Proportional to 674,766.40, 1,012,149.60 and 176,130.40

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Solution

The fourth proportional to 674,766.40, 1,012,149.60 and 176,130.40 is: 264,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,766.40 : 1,012,149.60 = 176,130.40 : x
  2. Step 2: Convert to fraction form
    674,766.40/1,012,149.60 = 176,130.40/x
  3. Step 3: Cross multiply
    674,766.40x = 1,012,149.60 × 176,130.40
  4. Step 4: Simplify right side
    674,766.40x = 178,270,313,907.84
  5. Step 5: Solve for x
    x = 178,270,313,907.84/674,766.40
  6. Step 6: Final answer
    x = 264,195.60

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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.