Home / 881,867.25-1,216,941.57-519,306.39

Finding the Fourth Proportional to 881,867.25, 1,216,941.57 and 519,306.39

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Solution

The fourth proportional to 881,867.25, 1,216,941.57 and 519,306.39 is: 716,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,867.25 : 1,216,941.57 = 519,306.39 : x
  2. Step 2: Convert to fraction form
    881,867.25/1,216,941.57 = 519,306.39/x
  3. Step 3: Cross multiply
    881,867.25x = 1,216,941.57 × 519,306.39
  4. Step 4: Simplify right side
    881,867.25x = 631,965,533,557.63
  5. Step 5: Solve for x
    x = 631,965,533,557.63/881,867.25
  6. Step 6: Final answer
    x = 716,622.07

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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.