Home / 668,905.28-923,083.04-367,091.52

Finding the Fourth Proportional to 668,905.28, 923,083.04 and 367,091.52

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Solution

The fourth proportional to 668,905.28, 923,083.04 and 367,091.52 is: 506,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,905.28 : 923,083.04 = 367,091.52 : x
  2. Step 2: Convert to fraction form
    668,905.28/923,083.04 = 367,091.52/x
  3. Step 3: Cross multiply
    668,905.28x = 923,083.04 × 367,091.52
  4. Step 4: Simplify right side
    668,905.28x = 338,855,956,239.82
  5. Step 5: Solve for x
    x = 338,855,956,239.82/668,905.28
  6. Step 6: Final answer
    x = 506,582.87

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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.