Home / 881,759.22-1,216,940.28-519,216.81

Finding the Fourth Proportional to 881,759.22, 1,216,940.28 and 519,216.81

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Solution

The fourth proportional to 881,759.22, 1,216,940.28 and 519,216.81 is: 716,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,759.22 : 1,216,940.28 = 519,216.81 : x
  2. Step 2: Convert to fraction form
    881,759.22/1,216,940.28 = 519,216.81/x
  3. Step 3: Cross multiply
    881,759.22x = 1,216,940.28 × 519,216.81
  4. Step 4: Simplify right side
    881,759.22x = 631,855,847,546.02
  5. Step 5: Solve for x
    x = 631,855,847,546.02/881,759.22
  6. Step 6: Final answer
    x = 716,585.48

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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.