Home / 881,284.56-1,216,179.96-478,876.56

Finding the Fourth Proportional to 881,284.56, 1,216,179.96 and 478,876.56

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Solution

The fourth proportional to 881,284.56, 1,216,179.96 and 478,876.56 is: 660,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,284.56 : 1,216,179.96 = 478,876.56 : x
  2. Step 2: Convert to fraction form
    881,284.56/1,216,179.96 = 478,876.56/x
  3. Step 3: Cross multiply
    881,284.56x = 1,216,179.96 × 478,876.56
  4. Step 4: Simplify right side
    881,284.56x = 582,400,075,585.74
  5. Step 5: Solve for x
    x = 582,400,075,585.74/881,284.56
  6. Step 6: Final answer
    x = 660,853.60

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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.