Home / 414,150.18-620,591.10-278,712.24

Finding the Fourth Proportional to 414,150.18, 620,591.10 and 278,712.24

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Solution

The fourth proportional to 414,150.18, 620,591.10 and 278,712.24 is: 417,641.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,150.18 : 620,591.10 = 278,712.24 : x
  2. Step 2: Convert to fraction form
    414,150.18/620,591.10 = 278,712.24/x
  3. Step 3: Cross multiply
    414,150.18x = 620,591.10 × 278,712.24
  4. Step 4: Simplify right side
    414,150.18x = 172,966,335,605.06
  5. Step 5: Solve for x
    x = 172,966,335,605.06/414,150.18
  6. Step 6: Final answer
    x = 417,641.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.