Home / 450,401.74-621,549.11-246,450.33

Finding the Fourth Proportional to 450,401.74, 621,549.11 and 246,450.33

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Solution

The fourth proportional to 450,401.74, 621,549.11 and 246,450.33 is: 340,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,401.74 : 621,549.11 = 246,450.33 : x
  2. Step 2: Convert to fraction form
    450,401.74/621,549.11 = 246,450.33/x
  3. Step 3: Cross multiply
    450,401.74x = 621,549.11 × 246,450.33
  4. Step 4: Simplify right side
    450,401.74x = 153,180,983,886.83
  5. Step 5: Solve for x
    x = 153,180,983,886.83/450,401.74
  6. Step 6: Final answer
    x = 340,098.56

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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.