Home / 571,642.05-857,795.22-256,098.95

Finding the Fourth Proportional to 571,642.05, 857,795.22 and 256,098.95

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Solution

The fourth proportional to 571,642.05, 857,795.22 and 256,098.95 is: 384,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,642.05 : 857,795.22 = 256,098.95 : x
  2. Step 2: Convert to fraction form
    571,642.05/857,795.22 = 256,098.95/x
  3. Step 3: Cross multiply
    571,642.05x = 857,795.22 × 256,098.95
  4. Step 4: Simplify right side
    571,642.05x = 219,680,455,157.02
  5. Step 5: Solve for x
    x = 219,680,455,157.02/571,642.05
  6. Step 6: Final answer
    x = 384,297.23

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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.