Home / 874,719.41-1,206,700.07-511,918.52

Finding the Fourth Proportional to 874,719.41, 1,206,700.07 and 511,918.52

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Solution

The fourth proportional to 874,719.41, 1,206,700.07 and 511,918.52 is: 706,206.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,719.41 : 1,206,700.07 = 511,918.52 : x
  2. Step 2: Convert to fraction form
    874,719.41/1,206,700.07 = 511,918.52/x
  3. Step 3: Cross multiply
    874,719.41x = 1,206,700.07 × 511,918.52
  4. Step 4: Simplify right side
    874,719.41x = 617,732,105,325.20
  5. Step 5: Solve for x
    x = 617,732,105,325.20/874,719.41
  6. Step 6: Final answer
    x = 706,206.02

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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.