Home / 450,116.16-621,236.68-259,240.06

Finding the Fourth Proportional to 450,116.16, 621,236.68 and 259,240.06

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Solution

The fourth proportional to 450,116.16, 621,236.68 and 259,240.06 is: 357,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,116.16 : 621,236.68 = 259,240.06 : x
  2. Step 2: Convert to fraction form
    450,116.16/621,236.68 = 259,240.06/x
  3. Step 3: Cross multiply
    450,116.16x = 621,236.68 × 259,240.06
  4. Step 4: Simplify right side
    450,116.16x = 161,049,434,197.40
  5. Step 5: Solve for x
    x = 161,049,434,197.40/450,116.16
  6. Step 6: Final answer
    x = 357,795.27

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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.