Home / 1,851,376.40-2,776,520.28-786,410

Finding the Fourth Proportional to 1,851,376.40, 2,776,520.28 and 786,410

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Solution

The fourth proportional to 1,851,376.40, 2,776,520.28 and 786,410 is: 1,179,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,376.40 : 2,776,520.28 = 786,410 : x
  2. Step 2: Convert to fraction form
    1,851,376.40/2,776,520.28 = 786,410/x
  3. Step 3: Cross multiply
    1,851,376.40x = 2,776,520.28 × 786,410
  4. Step 4: Simplify right side
    1,851,376.40x = 2,183,483,313,394.80
  5. Step 5: Solve for x
    x = 2,183,483,313,394.80/1,851,376.40
  6. Step 6: Final answer
    x = 1,179,383.79

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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.