Home / 810,226.17-1,118,123.82-447,658.38

Finding the Fourth Proportional to 810,226.17, 1,118,123.82 and 447,658.38

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Solution

The fourth proportional to 810,226.17, 1,118,123.82 and 447,658.38 is: 617,775.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,226.17 : 1,118,123.82 = 447,658.38 : x
  2. Step 2: Convert to fraction form
    810,226.17/1,118,123.82 = 447,658.38/x
  3. Step 3: Cross multiply
    810,226.17x = 1,118,123.82 × 447,658.38
  4. Step 4: Simplify right side
    810,226.17x = 500,537,497,900.61
  5. Step 5: Solve for x
    x = 500,537,497,900.61/810,226.17
  6. Step 6: Final answer
    x = 617,775.03

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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.