Home / 1,086,421.72-1,499,418.17-650,857.70

Finding the Fourth Proportional to 1,086,421.72, 1,499,418.17 and 650,857.70

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Solution

The fourth proportional to 1,086,421.72, 1,499,418.17 and 650,857.70 is: 898,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,421.72 : 1,499,418.17 = 650,857.70 : x
  2. Step 2: Convert to fraction form
    1,086,421.72/1,499,418.17 = 650,857.70/x
  3. Step 3: Cross multiply
    1,086,421.72x = 1,499,418.17 × 650,857.70
  4. Step 4: Simplify right side
    1,086,421.72x = 975,907,855,594.46
  5. Step 5: Solve for x
    x = 975,907,855,594.46/1,086,421.72
  6. Step 6: Final answer
    x = 898,277.20

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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.