Home / 450,416.22-621,799.41-259,392.72

Finding the Fourth Proportional to 450,416.22, 621,799.41 and 259,392.72

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Solution

The fourth proportional to 450,416.22, 621,799.41 and 259,392.72 is: 358,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,416.22 : 621,799.41 = 259,392.72 : x
  2. Step 2: Convert to fraction form
    450,416.22/621,799.41 = 259,392.72/x
  3. Step 3: Cross multiply
    450,416.22x = 621,799.41 × 259,392.72
  4. Step 4: Simplify right side
    450,416.22x = 161,290,240,254.30
  5. Step 5: Solve for x
    x = 161,290,240,254.30/450,416.22
  6. Step 6: Final answer
    x = 358,091.55

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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.