Home / 501,964.79-692,712.45-272,522.36

Finding the Fourth Proportional to 501,964.79, 692,712.45 and 272,522.36

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Solution

The fourth proportional to 501,964.79, 692,712.45 and 272,522.36 is: 376,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,964.79 : 692,712.45 = 272,522.36 : x
  2. Step 2: Convert to fraction form
    501,964.79/692,712.45 = 272,522.36/x
  3. Step 3: Cross multiply
    501,964.79x = 692,712.45 × 272,522.36
  4. Step 4: Simplify right side
    501,964.79x = 188,779,628,211.82
  5. Step 5: Solve for x
    x = 188,779,628,211.82/501,964.79
  6. Step 6: Final answer
    x = 376,081.42

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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.