Home / 450,727.46-621,979.22-246,738.92

Finding the Fourth Proportional to 450,727.46, 621,979.22 and 246,738.92

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Solution

The fourth proportional to 450,727.46, 621,979.22 and 246,738.92 is: 340,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,727.46 : 621,979.22 = 246,738.92 : x
  2. Step 2: Convert to fraction form
    450,727.46/621,979.22 = 246,738.92/x
  3. Step 3: Cross multiply
    450,727.46x = 621,979.22 × 246,738.92
  4. Step 4: Simplify right side
    450,727.46x = 153,466,481,005.24
  5. Step 5: Solve for x
    x = 153,466,481,005.24/450,727.46
  6. Step 6: Final answer
    x = 340,486.20

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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.