Home / 881,849.06-1,216,916.24-519,288.20

Finding the Fourth Proportional to 881,849.06, 1,216,916.24 and 519,288.20

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Solution

The fourth proportional to 881,849.06, 1,216,916.24 and 519,288.20 is: 716,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,849.06 : 1,216,916.24 = 519,288.20 : x
  2. Step 2: Convert to fraction form
    881,849.06/1,216,916.24 = 519,288.20/x
  3. Step 3: Cross multiply
    881,849.06x = 1,216,916.24 × 519,288.20
  4. Step 4: Simplify right side
    881,849.06x = 631,930,243,820.37
  5. Step 5: Solve for x
    x = 631,930,243,820.37/881,849.06
  6. Step 6: Final answer
    x = 716,596.83

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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.