Home / 1,851,375.40-2,776,518.78-786,409

Finding the Fourth Proportional to 1,851,375.40, 2,776,518.78 and 786,409

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Solution

The fourth proportional to 1,851,375.40, 2,776,518.78 and 786,409 is: 1,179,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,375.40 : 2,776,518.78 = 786,409 : x
  2. Step 2: Convert to fraction form
    1,851,375.40/2,776,518.78 = 786,409/x
  3. Step 3: Cross multiply
    1,851,375.40x = 2,776,518.78 × 786,409
  4. Step 4: Simplify right side
    1,851,375.40x = 2,183,479,357,261.02
  5. Step 5: Solve for x
    x = 2,183,479,357,261.02/1,851,375.40
  6. Step 6: Final answer
    x = 1,179,382.29

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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.