Home / 764,726.50-1,054,892.13-458,721.46

Finding the Fourth Proportional to 764,726.50, 1,054,892.13 and 458,721.46

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Solution

The fourth proportional to 764,726.50, 1,054,892.13 and 458,721.46 is: 632,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,726.50 : 1,054,892.13 = 458,721.46 : x
  2. Step 2: Convert to fraction form
    764,726.50/1,054,892.13 = 458,721.46/x
  3. Step 3: Cross multiply
    764,726.50x = 1,054,892.13 × 458,721.46
  4. Step 4: Simplify right side
    764,726.50x = 483,901,658,016.11
  5. Step 5: Solve for x
    x = 483,901,658,016.11/764,726.50
  6. Step 6: Final answer
    x = 632,777.42

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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.