Home / 914,015.80-1,371,023.70-240,052.60

Finding the Fourth Proportional to 914,015.80, 1,371,023.70 and 240,052.60

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Solution

The fourth proportional to 914,015.80, 1,371,023.70 and 240,052.60 is: 360,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,015.80 : 1,371,023.70 = 240,052.60 : x
  2. Step 2: Convert to fraction form
    914,015.80/1,371,023.70 = 240,052.60/x
  3. Step 3: Cross multiply
    914,015.80x = 1,371,023.70 × 240,052.60
  4. Step 4: Simplify right side
    914,015.80x = 329,117,803,846.62
  5. Step 5: Solve for x
    x = 329,117,803,846.62/914,015.80
  6. Step 6: Final answer
    x = 360,078.90

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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.