Home / 450,161.57-621,153.95-259,138.04

Finding the Fourth Proportional to 450,161.57, 621,153.95 and 259,138.04

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Solution

The fourth proportional to 450,161.57, 621,153.95 and 259,138.04 is: 357,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,161.57 : 621,153.95 = 259,138.04 : x
  2. Step 2: Convert to fraction form
    450,161.57/621,153.95 = 259,138.04/x
  3. Step 3: Cross multiply
    450,161.57x = 621,153.95 × 259,138.04
  4. Step 4: Simplify right side
    450,161.57x = 160,964,615,845.57
  5. Step 5: Solve for x
    x = 160,964,615,845.57/450,161.57
  6. Step 6: Final answer
    x = 357,570.76

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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.