Home / 1,055,168.05-1,456,159.04-647,495.16

Finding the Fourth Proportional to 1,055,168.05, 1,456,159.04 and 647,495.16

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Solution

The fourth proportional to 1,055,168.05, 1,456,159.04 and 647,495.16 is: 893,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,168.05 : 1,456,159.04 = 647,495.16 : x
  2. Step 2: Convert to fraction form
    1,055,168.05/1,456,159.04 = 647,495.16/x
  3. Step 3: Cross multiply
    1,055,168.05x = 1,456,159.04 × 647,495.16
  4. Step 4: Simplify right side
    1,055,168.05x = 942,855,930,590.25
  5. Step 5: Solve for x
    x = 942,855,930,590.25/1,055,168.05
  6. Step 6: Final answer
    x = 893,559.97

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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.