Home / 682,215.72-941,167.26-500,612.10

Finding the Fourth Proportional to 682,215.72, 941,167.26 and 500,612.10

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Solution

The fourth proportional to 682,215.72, 941,167.26 and 500,612.10 is: 690,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,215.72 : 941,167.26 = 500,612.10 : x
  2. Step 2: Convert to fraction form
    682,215.72/941,167.26 = 500,612.10/x
  3. Step 3: Cross multiply
    682,215.72x = 941,167.26 × 500,612.10
  4. Step 4: Simplify right side
    682,215.72x = 471,159,718,479.85
  5. Step 5: Solve for x
    x = 471,159,718,479.85/682,215.72
  6. Step 6: Final answer
    x = 690,631.58

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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.