Home / 807,171-1,113,895.98-467,836.08

Finding the Fourth Proportional to 807,171, 1,113,895.98 and 467,836.08

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Solution

The fourth proportional to 807,171, 1,113,895.98 and 467,836.08 is: 645,613.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,171 : 1,113,895.98 = 467,836.08 : x
  2. Step 2: Convert to fraction form
    807,171/1,113,895.98 = 467,836.08/x
  3. Step 3: Cross multiply
    807,171x = 1,113,895.98 × 467,836.08
  4. Step 4: Simplify right side
    807,171x = 521,120,728,810.96
  5. Step 5: Solve for x
    x = 521,120,728,810.96/807,171
  6. Step 6: Final answer
    x = 645,613.79

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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.