Home / 1,102,260.83-1,521,207.77-618,857.69

Finding the Fourth Proportional to 1,102,260.83, 1,521,207.77 and 618,857.69

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Solution

The fourth proportional to 1,102,260.83, 1,521,207.77 and 618,857.69 is: 854,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,260.83 : 1,521,207.77 = 618,857.69 : x
  2. Step 2: Convert to fraction form
    1,102,260.83/1,521,207.77 = 618,857.69/x
  3. Step 3: Cross multiply
    1,102,260.83x = 1,521,207.77 × 618,857.69
  4. Step 4: Simplify right side
    1,102,260.83x = 941,411,115,851.92
  5. Step 5: Solve for x
    x = 941,411,115,851.92/1,102,260.83
  6. Step 6: Final answer
    x = 854,072.91

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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.