Home / 1,044.05-1,566.78-557.45

Finding the Fourth Proportional to 1,044.05, 1,566.78 and 557.45

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Solution

The fourth proportional to 1,044.05, 1,566.78 and 557.45 is: 836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.05 : 1,566.78 = 557.45 : x
  2. Step 2: Convert to fraction form
    1,044.05/1,566.78 = 557.45/x
  3. Step 3: Cross multiply
    1,044.05x = 1,566.78 × 557.45
  4. Step 4: Simplify right side
    1,044.05x = 873,401.51
  5. Step 5: Solve for x
    x = 873,401.51/1,044.05
  6. Step 6: Final answer
    x = 836.55

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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.