Home / 538,362.01-742,972.67-296,644.53

Finding the Fourth Proportional to 538,362.01, 742,972.67 and 296,644.53

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Solution

The fourth proportional to 538,362.01, 742,972.67 and 296,644.53 is: 409,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,362.01 : 742,972.67 = 296,644.53 : x
  2. Step 2: Convert to fraction form
    538,362.01/742,972.67 = 296,644.53/x
  3. Step 3: Cross multiply
    538,362.01x = 742,972.67 × 296,644.53
  4. Step 4: Simplify right side
    538,362.01x = 220,398,778,495.00
  5. Step 5: Solve for x
    x = 220,398,778,495.00/538,362.01
  6. Step 6: Final answer
    x = 409,387.69

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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.