Home / 881,871.75-1,216,947.78-519,310.89

Finding the Fourth Proportional to 881,871.75, 1,216,947.78 and 519,310.89

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Solution

The fourth proportional to 881,871.75, 1,216,947.78 and 519,310.89 is: 716,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,871.75 : 1,216,947.78 = 519,310.89 : x
  2. Step 2: Convert to fraction form
    881,871.75/1,216,947.78 = 519,310.89/x
  3. Step 3: Cross multiply
    881,871.75x = 1,216,947.78 × 519,310.89
  4. Step 4: Simplify right side
    881,871.75x = 631,974,234,715.32
  5. Step 5: Solve for x
    x = 631,974,234,715.32/881,871.75
  6. Step 6: Final answer
    x = 716,628.28

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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.