Home / 1,102,260.31-1,521,207.09-618,857.17

Finding the Fourth Proportional to 1,102,260.31, 1,521,207.09 and 618,857.17

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Solution

The fourth proportional to 1,102,260.31, 1,521,207.09 and 618,857.17 is: 854,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,260.31 : 1,521,207.09 = 618,857.17 : x
  2. Step 2: Convert to fraction form
    1,102,260.31/1,521,207.09 = 618,857.17/x
  3. Step 3: Cross multiply
    1,102,260.31x = 1,521,207.09 × 618,857.17
  4. Step 4: Simplify right side
    1,102,260.31x = 941,409,914,701.34
  5. Step 5: Solve for x
    x = 941,409,914,701.34/1,102,260.31
  6. Step 6: Final answer
    x = 854,072.22

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1.5x scale

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.