Home / 1,053,071.22-1,578,175.46-445,354.34

Finding the Fourth Proportional to 1,053,071.22, 1,578,175.46 and 445,354.34

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Solution

The fourth proportional to 1,053,071.22, 1,578,175.46 and 445,354.34 is: 667,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,071.22 : 1,578,175.46 = 445,354.34 : x
  2. Step 2: Convert to fraction form
    1,053,071.22/1,578,175.46 = 445,354.34/x
  3. Step 3: Cross multiply
    1,053,071.22x = 1,578,175.46 × 445,354.34
  4. Step 4: Simplify right side
    1,053,071.22x = 702,847,292,111.16
  5. Step 5: Solve for x
    x = 702,847,292,111.16/1,053,071.22
  6. Step 6: Final answer
    x = 667,426.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.