Home / 746,440.21-1,119,661.10-185,474.71

Finding the Fourth Proportional to 746,440.21, 1,119,661.10 and 185,474.71

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Solution

The fourth proportional to 746,440.21, 1,119,661.10 and 185,474.71 is: 278,212.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,440.21 : 1,119,661.10 = 185,474.71 : x
  2. Step 2: Convert to fraction form
    746,440.21/1,119,661.10 = 185,474.71/x
  3. Step 3: Cross multiply
    746,440.21x = 1,119,661.10 × 185,474.71
  4. Step 4: Simplify right side
    746,440.21x = 207,668,817,820.78
  5. Step 5: Solve for x
    x = 207,668,817,820.78/746,440.21
  6. Step 6: Final answer
    x = 278,212.26

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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.