Home / 747,670.75-1,121,506.13-222,358.75

Finding the Fourth Proportional to 747,670.75, 1,121,506.13 and 222,358.75

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Solution

The fourth proportional to 747,670.75, 1,121,506.13 and 222,358.75 is: 333,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,670.75 : 1,121,506.13 = 222,358.75 : x
  2. Step 2: Convert to fraction form
    747,670.75/1,121,506.13 = 222,358.75/x
  3. Step 3: Cross multiply
    747,670.75x = 1,121,506.13 × 222,358.75
  4. Step 4: Simplify right side
    747,670.75x = 249,376,701,184.14
  5. Step 5: Solve for x
    x = 249,376,701,184.14/747,670.75
  6. Step 6: Final answer
    x = 333,538.13

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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.