Home / 1,525,787.34-2,105,371.62-913,796.70

Finding the Fourth Proportional to 1,525,787.34, 2,105,371.62 and 913,796.70

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Solution

The fourth proportional to 1,525,787.34, 2,105,371.62 and 913,796.70 is: 1,260,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,787.34 : 2,105,371.62 = 913,796.70 : x
  2. Step 2: Convert to fraction form
    1,525,787.34/2,105,371.62 = 913,796.70/x
  3. Step 3: Cross multiply
    1,525,787.34x = 2,105,371.62 × 913,796.70
  4. Step 4: Simplify right side
    1,525,787.34x = 1,923,881,638,629.65
  5. Step 5: Solve for x
    x = 1,923,881,638,629.65/1,525,787.34
  6. Step 6: Final answer
    x = 1,260,910.74

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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.