Home / 681,907.85-941,040.20-375,984.81

Finding the Fourth Proportional to 681,907.85, 941,040.20 and 375,984.81

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Solution

The fourth proportional to 681,907.85, 941,040.20 and 375,984.81 is: 518,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,907.85 : 941,040.20 = 375,984.81 : x
  2. Step 2: Convert to fraction form
    681,907.85/941,040.20 = 375,984.81/x
  3. Step 3: Cross multiply
    681,907.85x = 941,040.20 × 375,984.81
  4. Step 4: Simplify right side
    681,907.85x = 353,816,818,919.44
  5. Step 5: Solve for x
    x = 353,816,818,919.44/681,907.85
  6. Step 6: Final answer
    x = 518,863.10

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1.5x scale

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.