Home / 653,219.27-979,447.55-253,392.84

Finding the Fourth Proportional to 653,219.27, 979,447.55 and 253,392.84

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Solution

The fourth proportional to 653,219.27, 979,447.55 and 253,392.84 is: 379,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,219.27 : 979,447.55 = 253,392.84 : x
  2. Step 2: Convert to fraction form
    653,219.27/979,447.55 = 253,392.84/x
  3. Step 3: Cross multiply
    653,219.27x = 979,447.55 × 253,392.84
  4. Step 4: Simplify right side
    653,219.27x = 248,184,995,058.58
  5. Step 5: Solve for x
    x = 248,184,995,058.58/653,219.27
  6. Step 6: Final answer
    x = 379,941.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.