Home / 1,327,242.32-1,831,541.65-783,553.25

Finding the Fourth Proportional to 1,327,242.32, 1,831,541.65 and 783,553.25

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Solution

The fourth proportional to 1,327,242.32, 1,831,541.65 and 783,553.25 is: 1,081,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,242.32 : 1,831,541.65 = 783,553.25 : x
  2. Step 2: Convert to fraction form
    1,327,242.32/1,831,541.65 = 783,553.25/x
  3. Step 3: Cross multiply
    1,327,242.32x = 1,831,541.65 × 783,553.25
  4. Step 4: Simplify right side
    1,327,242.32x = 1,435,110,406,889.16
  5. Step 5: Solve for x
    x = 1,435,110,406,889.16/1,327,242.32
  6. Step 6: Final answer
    x = 1,081,272.34

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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.