Home / 906,139.78-1,361,700.90-846,892.42

Finding the Fourth Proportional to 906,139.78, 1,361,700.90 and 846,892.42

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Solution

The fourth proportional to 906,139.78, 1,361,700.90 and 846,892.42 is: 1,272,666.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,139.78 : 1,361,700.90 = 846,892.42 : x
  2. Step 2: Convert to fraction form
    906,139.78/1,361,700.90 = 846,892.42/x
  3. Step 3: Cross multiply
    906,139.78x = 1,361,700.90 × 846,892.42
  4. Step 4: Simplify right side
    906,139.78x = 1,153,214,170,517.18
  5. Step 5: Solve for x
    x = 1,153,214,170,517.18/906,139.78
  6. Step 6: Final answer
    x = 1,272,666.97

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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.