Home / 1,186,819.06-1,637,808.10-642,968.43

Finding the Fourth Proportional to 1,186,819.06, 1,637,808.10 and 642,968.43

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Solution

The fourth proportional to 1,186,819.06, 1,637,808.10 and 642,968.43 is: 887,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,819.06 : 1,637,808.10 = 642,968.43 : x
  2. Step 2: Convert to fraction form
    1,186,819.06/1,637,808.10 = 642,968.43/x
  3. Step 3: Cross multiply
    1,186,819.06x = 1,637,808.10 × 642,968.43
  4. Step 4: Simplify right side
    1,186,819.06x = 1,053,058,902,698.28
  5. Step 5: Solve for x
    x = 1,053,058,902,698.28/1,186,819.06
  6. Step 6: Final answer
    x = 887,295.24

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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.