Home / 805,615.12-1,111,778.14-461,517.56

Finding the Fourth Proportional to 805,615.12, 1,111,778.14 and 461,517.56

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Solution

The fourth proportional to 805,615.12, 1,111,778.14 and 461,517.56 is: 636,911.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,615.12 : 1,111,778.14 = 461,517.56 : x
  2. Step 2: Convert to fraction form
    805,615.12/1,111,778.14 = 461,517.56/x
  3. Step 3: Cross multiply
    805,615.12x = 1,111,778.14 × 461,517.56
  4. Step 4: Simplify right side
    805,615.12x = 513,105,134,434.14
  5. Step 5: Solve for x
    x = 513,105,134,434.14/805,615.12
  6. Step 6: Final answer
    x = 636,911.00

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1.5x scale

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.