Home / 1,027,798.06-1,418,192.13-645,552.58

Finding the Fourth Proportional to 1,027,798.06, 1,418,192.13 and 645,552.58

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Solution

The fourth proportional to 1,027,798.06, 1,418,192.13 and 645,552.58 is: 890,756.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,798.06 : 1,418,192.13 = 645,552.58 : x
  2. Step 2: Convert to fraction form
    1,027,798.06/1,418,192.13 = 645,552.58/x
  3. Step 3: Cross multiply
    1,027,798.06x = 1,418,192.13 × 645,552.58
  4. Step 4: Simplify right side
    1,027,798.06x = 915,517,588,457.20
  5. Step 5: Solve for x
    x = 915,517,588,457.20/1,027,798.06
  6. Step 6: Final answer
    x = 890,756.29

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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.