Home / 1,156,680.42-1,596,218.79-647,382.78

Finding the Fourth Proportional to 1,156,680.42, 1,596,218.79 and 647,382.78

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Solution

The fourth proportional to 1,156,680.42, 1,596,218.79 and 647,382.78 is: 893,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,680.42 : 1,596,218.79 = 647,382.78 : x
  2. Step 2: Convert to fraction form
    1,156,680.42/1,596,218.79 = 647,382.78/x
  3. Step 3: Cross multiply
    1,156,680.42x = 1,596,218.79 × 647,382.78
  4. Step 4: Simplify right side
    1,156,680.42x = 1,033,364,557,758.44
  5. Step 5: Solve for x
    x = 1,033,364,557,758.44/1,156,680.42
  6. Step 6: Final answer
    x = 893,388.13

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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.