Home / 765,980.07-1,149,142.39-233,554.92

Finding the Fourth Proportional to 765,980.07, 1,149,142.39 and 233,554.92

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Solution

The fourth proportional to 765,980.07, 1,149,142.39 and 233,554.92 is: 350,384.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,980.07 : 1,149,142.39 = 233,554.92 : x
  2. Step 2: Convert to fraction form
    765,980.07/1,149,142.39 = 233,554.92/x
  3. Step 3: Cross multiply
    765,980.07x = 1,149,142.39 × 233,554.92
  4. Step 4: Simplify right side
    765,980.07x = 268,387,858,965.06
  5. Step 5: Solve for x
    x = 268,387,858,965.06/765,980.07
  6. Step 6: Final answer
    x = 350,384.91

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Double scale
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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.