Home / 644,670.36-888,927.66-440,754.36

Finding the Fourth Proportional to 644,670.36, 888,927.66 and 440,754.36

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Solution

The fourth proportional to 644,670.36, 888,927.66 and 440,754.36 is: 607,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,670.36 : 888,927.66 = 440,754.36 : x
  2. Step 2: Convert to fraction form
    644,670.36/888,927.66 = 440,754.36/x
  3. Step 3: Cross multiply
    644,670.36x = 888,927.66 × 440,754.36
  4. Step 4: Simplify right side
    644,670.36x = 391,798,741,869.60
  5. Step 5: Solve for x
    x = 391,798,741,869.60/644,670.36
  6. Step 6: Final answer
    x = 607,750.51

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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.