Home / 831,789.32-1,247,492.16-232,792.76

Finding the Fourth Proportional to 831,789.32, 1,247,492.16 and 232,792.76

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Solution

The fourth proportional to 831,789.32, 1,247,492.16 and 232,792.76 is: 349,135.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,789.32 : 1,247,492.16 = 232,792.76 : x
  2. Step 2: Convert to fraction form
    831,789.32/1,247,492.16 = 232,792.76/x
  3. Step 3: Cross multiply
    831,789.32x = 1,247,492.16 × 232,792.76
  4. Step 4: Simplify right side
    831,789.32x = 290,407,143,004.76
  5. Step 5: Solve for x
    x = 290,407,143,004.76/831,789.32
  6. Step 6: Final answer
    x = 349,135.46

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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.