Home / 864,194.10-1,296,291.15-811,662.90

Finding the Fourth Proportional to 864,194.10, 1,296,291.15 and 811,662.90

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Solution

The fourth proportional to 864,194.10, 1,296,291.15 and 811,662.90 is: 1,217,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,194.10 : 1,296,291.15 = 811,662.90 : x
  2. Step 2: Convert to fraction form
    864,194.10/1,296,291.15 = 811,662.90/x
  3. Step 3: Cross multiply
    864,194.10x = 1,296,291.15 × 811,662.90
  4. Step 4: Simplify right side
    864,194.10x = 1,052,151,434,053.34
  5. Step 5: Solve for x
    x = 1,052,151,434,053.34/864,194.10
  6. Step 6: Final answer
    x = 1,217,494.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.