Home / 1,581,450.50-2,182,398.45-856,298

Finding the Fourth Proportional to 1,581,450.50, 2,182,398.45 and 856,298

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Solution

The fourth proportional to 1,581,450.50, 2,182,398.45 and 856,298 is: 1,181,689.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,450.50 : 2,182,398.45 = 856,298 : x
  2. Step 2: Convert to fraction form
    1,581,450.50/2,182,398.45 = 856,298/x
  3. Step 3: Cross multiply
    1,581,450.50x = 2,182,398.45 × 856,298
  4. Step 4: Simplify right side
    1,581,450.50x = 1,868,783,427,938.10
  5. Step 5: Solve for x
    x = 1,868,783,427,938.10/1,581,450.50
  6. Step 6: Final answer
    x = 1,181,689.49

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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.