Home / 857,803.14-1,286,715.69-226,711.53

Finding the Fourth Proportional to 857,803.14, 1,286,715.69 and 226,711.53

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Solution

The fourth proportional to 857,803.14, 1,286,715.69 and 226,711.53 is: 340,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,803.14 : 1,286,715.69 = 226,711.53 : x
  2. Step 2: Convert to fraction form
    857,803.14/1,286,715.69 = 226,711.53/x
  3. Step 3: Cross multiply
    857,803.14x = 1,286,715.69 × 226,711.53
  4. Step 4: Simplify right side
    857,803.14x = 291,713,282,754.91
  5. Step 5: Solve for x
    x = 291,713,282,754.91/857,803.14
  6. Step 6: Final answer
    x = 340,070.20

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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.