Home / 785,353.78-1,177,642.73-461,223.18

Finding the Fourth Proportional to 785,353.78, 1,177,642.73 and 461,223.18

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Solution

The fourth proportional to 785,353.78, 1,177,642.73 and 461,223.18 is: 691,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,353.78 : 1,177,642.73 = 461,223.18 : x
  2. Step 2: Convert to fraction form
    785,353.78/1,177,642.73 = 461,223.18/x
  3. Step 3: Cross multiply
    785,353.78x = 1,177,642.73 × 461,223.18
  4. Step 4: Simplify right side
    785,353.78x = 543,156,125,987.54
  5. Step 5: Solve for x
    x = 543,156,125,987.54/785,353.78
  6. Step 6: Final answer
    x = 691,606.94

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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.