Home / 1,055,170.06-1,456,161.80-647,497.16

Finding the Fourth Proportional to 1,055,170.06, 1,456,161.80 and 647,497.16

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Solution

The fourth proportional to 1,055,170.06, 1,456,161.80 and 647,497.16 is: 893,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,170.06 : 1,456,161.80 = 647,497.16 : x
  2. Step 2: Convert to fraction form
    1,055,170.06/1,456,161.80 = 647,497.16/x
  3. Step 3: Cross multiply
    1,055,170.06x = 1,456,161.80 × 647,497.16
  4. Step 4: Simplify right side
    1,055,170.06x = 942,860,630,000.49
  5. Step 5: Solve for x
    x = 942,860,630,000.49/1,055,170.06
  6. Step 6: Final answer
    x = 893,562.72

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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.