Home / 614,700.82-921,829.56-259,742.35

Finding the Fourth Proportional to 614,700.82, 921,829.56 and 259,742.35

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Solution

The fourth proportional to 614,700.82, 921,829.56 and 259,742.35 is: 389,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,700.82 : 921,829.56 = 259,742.35 : x
  2. Step 2: Convert to fraction form
    614,700.82/921,829.56 = 259,742.35/x
  3. Step 3: Cross multiply
    614,700.82x = 921,829.56 × 259,742.35
  4. Step 4: Simplify right side
    614,700.82x = 239,438,176,213.87
  5. Step 5: Solve for x
    x = 239,438,176,213.87/614,700.82
  6. Step 6: Final answer
    x = 389,519.86

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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.