Home / 1,586,708.79-2,380,139.73-521,727.27

Finding the Fourth Proportional to 1,586,708.79, 2,380,139.73 and 521,727.27

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Solution

The fourth proportional to 1,586,708.79, 2,380,139.73 and 521,727.27 is: 782,616.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,708.79 : 2,380,139.73 = 521,727.27 : x
  2. Step 2: Convert to fraction form
    1,586,708.79/2,380,139.73 = 521,727.27/x
  3. Step 3: Cross multiply
    1,586,708.79x = 2,380,139.73 × 521,727.27
  4. Step 4: Simplify right side
    1,586,708.79x = 1,241,783,803,551.44
  5. Step 5: Solve for x
    x = 1,241,783,803,551.44/1,586,708.79
  6. Step 6: Final answer
    x = 782,616.07

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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.