Home / 765,981.07-1,149,143.89-233,555.92

Finding the Fourth Proportional to 765,981.07, 1,149,143.89 and 233,555.92

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Solution

The fourth proportional to 765,981.07, 1,149,143.89 and 233,555.92 is: 350,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,981.07 : 1,149,143.89 = 233,555.92 : x
  2. Step 2: Convert to fraction form
    765,981.07/1,149,143.89 = 233,555.92/x
  3. Step 3: Cross multiply
    765,981.07x = 1,149,143.89 × 233,555.92
  4. Step 4: Simplify right side
    765,981.07x = 268,389,358,441.33
  5. Step 5: Solve for x
    x = 268,389,358,441.33/765,981.07
  6. Step 6: Final answer
    x = 350,386.41

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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.