Home / 610,522.11-842,464.86-338,589.18

Finding the Fourth Proportional to 610,522.11, 842,464.86 and 338,589.18

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Solution

The fourth proportional to 610,522.11, 842,464.86 and 338,589.18 is: 467,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,522.11 : 842,464.86 = 338,589.18 : x
  2. Step 2: Convert to fraction form
    610,522.11/842,464.86 = 338,589.18/x
  3. Step 3: Cross multiply
    610,522.11x = 842,464.86 × 338,589.18
  4. Step 4: Simplify right side
    610,522.11x = 285,249,486,126.22
  5. Step 5: Solve for x
    x = 285,249,486,126.22/610,522.11
  6. Step 6: Final answer
    x = 467,222.20

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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.