Home / 1,431,176.72-1,976,756.04-1,043,378

Finding the Fourth Proportional to 1,431,176.72, 1,976,756.04 and 1,043,378

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Solution

The fourth proportional to 1,431,176.72, 1,976,756.04 and 1,043,378 is: 1,441,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,176.72 : 1,976,756.04 = 1,043,378 : x
  2. Step 2: Convert to fraction form
    1,431,176.72/1,976,756.04 = 1,043,378/x
  3. Step 3: Cross multiply
    1,431,176.72x = 1,976,756.04 × 1,043,378
  4. Step 4: Simplify right side
    1,431,176.72x = 2,062,503,763,503.12
  5. Step 5: Solve for x
    x = 2,062,503,763,503.12/1,431,176.72
  6. Step 6: Final answer
    x = 1,441,124.45

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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.