Home / 864,291.36-1,192,389.12-541,439.04

Finding the Fourth Proportional to 864,291.36, 1,192,389.12 and 541,439.04

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Solution

The fourth proportional to 864,291.36, 1,192,389.12 and 541,439.04 is: 746,977.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,291.36 : 1,192,389.12 = 541,439.04 : x
  2. Step 2: Convert to fraction form
    864,291.36/1,192,389.12 = 541,439.04/x
  3. Step 3: Cross multiply
    864,291.36x = 1,192,389.12 × 541,439.04
  4. Step 4: Simplify right side
    864,291.36x = 645,606,020,439.25
  5. Step 5: Solve for x
    x = 645,606,020,439.25/864,291.36
  6. Step 6: Final answer
    x = 746,977.29

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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.