Home / 663,025.56-914,975.37-361,219.56

Finding the Fourth Proportional to 663,025.56, 914,975.37 and 361,219.56

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Solution

The fourth proportional to 663,025.56, 914,975.37 and 361,219.56 is: 498,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,025.56 : 914,975.37 = 361,219.56 : x
  2. Step 2: Convert to fraction form
    663,025.56/914,975.37 = 361,219.56/x
  3. Step 3: Cross multiply
    663,025.56x = 914,975.37 × 361,219.56
  4. Step 4: Simplify right side
    663,025.56x = 330,507,000,562.24
  5. Step 5: Solve for x
    x = 330,507,000,562.24/663,025.56
  6. Step 6: Final answer
    x = 498,483.05

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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.