Home / 464,828.78-697,151.36-127,782.46

Finding the Fourth Proportional to 464,828.78, 697,151.36 and 127,782.46

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Solution

The fourth proportional to 464,828.78, 697,151.36 and 127,782.46 is: 191,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,828.78 : 697,151.36 = 127,782.46 : x
  2. Step 2: Convert to fraction form
    464,828.78/697,151.36 = 127,782.46/x
  3. Step 3: Cross multiply
    464,828.78x = 697,151.36 × 127,782.46
  4. Step 4: Simplify right side
    464,828.78x = 89,083,716,245.26
  5. Step 5: Solve for x
    x = 89,083,716,245.26/464,828.78
  6. Step 6: Final answer
    x = 191,648.45

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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.