Home / 1,408,683.32-1,943,969.19-764,094.23

Finding the Fourth Proportional to 1,408,683.32, 1,943,969.19 and 764,094.23

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Solution

The fourth proportional to 1,408,683.32, 1,943,969.19 and 764,094.23 is: 1,054,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,683.32 : 1,943,969.19 = 764,094.23 : x
  2. Step 2: Convert to fraction form
    1,408,683.32/1,943,969.19 = 764,094.23/x
  3. Step 3: Cross multiply
    1,408,683.32x = 1,943,969.19 × 764,094.23
  4. Step 4: Simplify right side
    1,408,683.32x = 1,485,375,631,656.93
  5. Step 5: Solve for x
    x = 1,485,375,631,656.93/1,408,683.32
  6. Step 6: Final answer
    x = 1,054,442.55

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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.