Home / 1,389,166.92-2,083,831.11-536,243.40

Finding the Fourth Proportional to 1,389,166.92, 2,083,831.11 and 536,243.40

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Solution

The fourth proportional to 1,389,166.92, 2,083,831.11 and 536,243.40 is: 804,396.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,166.92 : 2,083,831.11 = 536,243.40 : x
  2. Step 2: Convert to fraction form
    1,389,166.92/2,083,831.11 = 536,243.40/x
  3. Step 3: Cross multiply
    1,389,166.92x = 2,083,831.11 × 536,243.40
  4. Step 4: Simplify right side
    1,389,166.92x = 1,117,440,679,452.17
  5. Step 5: Solve for x
    x = 1,117,440,679,452.17/1,389,166.92
  6. Step 6: Final answer
    x = 804,396.26

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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.