Home / 1,055,175.08-1,456,168.72-647,502.16

Finding the Fourth Proportional to 1,055,175.08, 1,456,168.72 and 647,502.16

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Solution

The fourth proportional to 1,055,175.08, 1,456,168.72 and 647,502.16 is: 893,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,175.08 : 1,456,168.72 = 647,502.16 : x
  2. Step 2: Convert to fraction form
    1,055,175.08/1,456,168.72 = 647,502.16/x
  3. Step 3: Cross multiply
    1,055,175.08x = 1,456,168.72 × 647,502.16
  4. Step 4: Simplify right side
    1,055,175.08x = 942,872,391,524.44
  5. Step 5: Solve for x
    x = 942,872,391,524.44/1,055,175.08
  6. Step 6: Final answer
    x = 893,569.62

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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.