Home / 1,057,200.84-1,585,787.06-258,489.26

Finding the Fourth Proportional to 1,057,200.84, 1,585,787.06 and 258,489.26

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Solution

The fourth proportional to 1,057,200.84, 1,585,787.06 and 258,489.26 is: 387,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,200.84 : 1,585,787.06 = 258,489.26 : x
  2. Step 2: Convert to fraction form
    1,057,200.84/1,585,787.06 = 258,489.26/x
  3. Step 3: Cross multiply
    1,057,200.84x = 1,585,787.06 × 258,489.26
  4. Step 4: Simplify right side
    1,057,200.84x = 409,908,923,656.98
  5. Step 5: Solve for x
    x = 409,908,923,656.98/1,057,200.84
  6. Step 6: Final answer
    x = 387,730.42

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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.