Home / 864,686.60-1,193,144.10-482,705

Finding the Fourth Proportional to 864,686.60, 1,193,144.10 and 482,705

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Solution

The fourth proportional to 864,686.60, 1,193,144.10 and 482,705 is: 666,064.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,686.60 : 1,193,144.10 = 482,705 : x
  2. Step 2: Convert to fraction form
    864,686.60/1,193,144.10 = 482,705/x
  3. Step 3: Cross multiply
    864,686.60x = 1,193,144.10 × 482,705
  4. Step 4: Simplify right side
    864,686.60x = 575,936,622,790.50
  5. Step 5: Solve for x
    x = 575,936,622,790.50/864,686.60
  6. Step 6: Final answer
    x = 666,064.01

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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.