Home / 746,135.76-1,119,421.59-240,685.51

Finding the Fourth Proportional to 746,135.76, 1,119,421.59 and 240,685.51

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Solution

The fourth proportional to 746,135.76, 1,119,421.59 and 240,685.51 is: 361,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,135.76 : 1,119,421.59 = 240,685.51 : x
  2. Step 2: Convert to fraction form
    746,135.76/1,119,421.59 = 240,685.51/x
  3. Step 3: Cross multiply
    746,135.76x = 1,119,421.59 × 240,685.51
  4. Step 4: Simplify right side
    746,135.76x = 269,428,556,294.16
  5. Step 5: Solve for x
    x = 269,428,556,294.16/746,135.76
  6. Step 6: Final answer
    x = 361,098.57

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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.