Home / 1,055,197.71-1,456,199.75-647,524.71

Finding the Fourth Proportional to 1,055,197.71, 1,456,199.75 and 647,524.71

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Solution

The fourth proportional to 1,055,197.71, 1,456,199.75 and 647,524.71 is: 893,600.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,197.71 : 1,456,199.75 = 647,524.71 : x
  2. Step 2: Convert to fraction form
    1,055,197.71/1,456,199.75 = 647,524.71/x
  3. Step 3: Cross multiply
    1,055,197.71x = 1,456,199.75 × 647,524.71
  4. Step 4: Simplify right side
    1,055,197.71x = 942,925,317,583.20
  5. Step 5: Solve for x
    x = 942,925,317,583.20/1,055,197.71
  6. Step 6: Final answer
    x = 893,600.61

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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.