Home / 682,418.92-941,925.54-396,031.24

Finding the Fourth Proportional to 682,418.92, 941,925.54 and 396,031.24

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Solution

The fourth proportional to 682,418.92, 941,925.54 and 396,031.24 is: 546,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,418.92 : 941,925.54 = 396,031.24 : x
  2. Step 2: Convert to fraction form
    682,418.92/941,925.54 = 396,031.24/x
  3. Step 3: Cross multiply
    682,418.92x = 941,925.54 × 396,031.24
  4. Step 4: Simplify right side
    682,418.92x = 373,031,939,593.87
  5. Step 5: Solve for x
    x = 373,031,939,593.87/682,418.92
  6. Step 6: Final answer
    x = 546,631.88

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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.