Home / 451,400.20-677,273.10-444,315.40

Finding the Fourth Proportional to 451,400.20, 677,273.10 and 444,315.40

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Solution

The fourth proportional to 451,400.20, 677,273.10 and 444,315.40 is: 666,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,400.20 : 677,273.10 = 444,315.40 : x
  2. Step 2: Convert to fraction form
    451,400.20/677,273.10 = 444,315.40/x
  3. Step 3: Cross multiply
    451,400.20x = 677,273.10 × 444,315.40
  4. Step 4: Simplify right side
    451,400.20x = 300,922,868,335.74
  5. Step 5: Solve for x
    x = 300,922,868,335.74/451,400.20
  6. Step 6: Final answer
    x = 666,643.19

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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.