Home / 765,880.11-1,148,863.37-233,418.51

Finding the Fourth Proportional to 765,880.11, 1,148,863.37 and 233,418.51

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Solution

The fourth proportional to 765,880.11, 1,148,863.37 and 233,418.51 is: 350,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,880.11 : 1,148,863.37 = 233,418.51 : x
  2. Step 2: Convert to fraction form
    765,880.11/1,148,863.37 = 233,418.51/x
  3. Step 3: Cross multiply
    765,880.11x = 1,148,863.37 × 233,418.51
  4. Step 4: Simplify right side
    765,880.11x = 268,165,976,018.98
  5. Step 5: Solve for x
    x = 268,165,976,018.98/765,880.11
  6. Step 6: Final answer
    x = 350,140.93

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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.