Home / 834,895.89-1,151,445.11-641,771.06

Finding the Fourth Proportional to 834,895.89, 1,151,445.11 and 641,771.06

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Solution

The fourth proportional to 834,895.89, 1,151,445.11 and 641,771.06 is: 885,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,895.89 : 1,151,445.11 = 641,771.06 : x
  2. Step 2: Convert to fraction form
    834,895.89/1,151,445.11 = 641,771.06/x
  3. Step 3: Cross multiply
    834,895.89x = 1,151,445.11 × 641,771.06
  4. Step 4: Simplify right side
    834,895.89x = 738,964,148,776.52
  5. Step 5: Solve for x
    x = 738,964,148,776.52/834,895.89
  6. Step 6: Final answer
    x = 885,097.36

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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.