Home / 1,441,589.40-1,989,808.56-951,916.50

Finding the Fourth Proportional to 1,441,589.40, 1,989,808.56 and 951,916.50

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Solution

The fourth proportional to 1,441,589.40, 1,989,808.56 and 951,916.50 is: 1,313,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,589.40 : 1,989,808.56 = 951,916.50 : x
  2. Step 2: Convert to fraction form
    1,441,589.40/1,989,808.56 = 951,916.50/x
  3. Step 3: Cross multiply
    1,441,589.40x = 1,989,808.56 × 951,916.50
  4. Step 4: Simplify right side
    1,441,589.40x = 1,894,131,600,105.24
  5. Step 5: Solve for x
    x = 1,894,131,600,105.24/1,441,589.40
  6. Step 6: Final answer
    x = 1,313,918.93

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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.