Home / 833,689.71-1,150,513.20-511,577.82

Finding the Fourth Proportional to 833,689.71, 1,150,513.20 and 511,577.82

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Solution

The fourth proportional to 833,689.71, 1,150,513.20 and 511,577.82 is: 705,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,689.71 : 1,150,513.20 = 511,577.82 : x
  2. Step 2: Convert to fraction form
    833,689.71/1,150,513.20 = 511,577.82/x
  3. Step 3: Cross multiply
    833,689.71x = 1,150,513.20 × 511,577.82
  4. Step 4: Simplify right side
    833,689.71x = 588,577,034,737.22
  5. Step 5: Solve for x
    x = 588,577,034,737.22/833,689.71
  6. Step 6: Final answer
    x = 705,990.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.