Home / 450,114.16-621,233.92-259,238.06

Finding the Fourth Proportional to 450,114.16, 621,233.92 and 259,238.06

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Solution

The fourth proportional to 450,114.16, 621,233.92 and 259,238.06 is: 357,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,114.16 : 621,233.92 = 259,238.06 : x
  2. Step 2: Convert to fraction form
    450,114.16/621,233.92 = 259,238.06/x
  3. Step 3: Cross multiply
    450,114.16x = 621,233.92 × 259,238.06
  4. Step 4: Simplify right side
    450,114.16x = 161,047,476,227.00
  5. Step 5: Solve for x
    x = 161,047,476,227.00/450,114.16
  6. Step 6: Final answer
    x = 357,792.51

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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.