Home / 710,839.84-1,066,556.16-311,767.36

Finding the Fourth Proportional to 710,839.84, 1,066,556.16 and 311,767.36

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Solution

The fourth proportional to 710,839.84, 1,066,556.16 and 311,767.36 is: 467,781.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,839.84 : 1,066,556.16 = 311,767.36 : x
  2. Step 2: Convert to fraction form
    710,839.84/1,066,556.16 = 311,767.36/x
  3. Step 3: Cross multiply
    710,839.84x = 1,066,556.16 × 311,767.36
  4. Step 4: Simplify right side
    710,839.84x = 332,517,398,294.94
  5. Step 5: Solve for x
    x = 332,517,398,294.94/710,839.84
  6. Step 6: Final answer
    x = 467,781.04

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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.