Home / 1,431,096.36-1,974,957.42-786,504.84

Finding the Fourth Proportional to 1,431,096.36, 1,974,957.42 and 786,504.84

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Solution

The fourth proportional to 1,431,096.36, 1,974,957.42 and 786,504.84 is: 1,085,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,096.36 : 1,974,957.42 = 786,504.84 : x
  2. Step 2: Convert to fraction form
    1,431,096.36/1,974,957.42 = 786,504.84/x
  3. Step 3: Cross multiply
    1,431,096.36x = 1,974,957.42 × 786,504.84
  4. Step 4: Simplify right side
    1,431,096.36x = 1,553,313,569,623.91
  5. Step 5: Solve for x
    x = 1,553,313,569,623.91/1,431,096.36
  6. Step 6: Final answer
    x = 1,085,401.10

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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.