Home / 699,422.80-1,049,652.60-462,686.80

Finding the Fourth Proportional to 699,422.80, 1,049,652.60 and 462,686.80

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Solution

The fourth proportional to 699,422.80, 1,049,652.60 and 462,686.80 is: 694,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,422.80 : 1,049,652.60 = 462,686.80 : x
  2. Step 2: Convert to fraction form
    699,422.80/1,049,652.60 = 462,686.80/x
  3. Step 3: Cross multiply
    699,422.80x = 1,049,652.60 × 462,686.80
  4. Step 4: Simplify right side
    699,422.80x = 485,660,402,605.68
  5. Step 5: Solve for x
    x = 485,660,402,605.68/699,422.80
  6. Step 6: Final answer
    x = 694,373.14

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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.