Home / 905,534.71-1,356,382.87-619,885.17

Finding the Fourth Proportional to 905,534.71, 1,356,382.87 and 619,885.17

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Solution

The fourth proportional to 905,534.71, 1,356,382.87 and 619,885.17 is: 928,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,534.71 : 1,356,382.87 = 619,885.17 : x
  2. Step 2: Convert to fraction form
    905,534.71/1,356,382.87 = 619,885.17/x
  3. Step 3: Cross multiply
    905,534.71x = 1,356,382.87 × 619,885.17
  4. Step 4: Simplify right side
    905,534.71x = 840,801,624,405.33
  5. Step 5: Solve for x
    x = 840,801,624,405.33/905,534.71
  6. Step 6: Final answer
    x = 928,513.97

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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.