Home / 743,422.04-1,025,942.46-403,913.24

Finding the Fourth Proportional to 743,422.04, 1,025,942.46 and 403,913.24

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Solution

The fourth proportional to 743,422.04, 1,025,942.46 and 403,913.24 is: 557,411.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,422.04 : 1,025,942.46 = 403,913.24 : x
  2. Step 2: Convert to fraction form
    743,422.04/1,025,942.46 = 403,913.24/x
  3. Step 3: Cross multiply
    743,422.04x = 1,025,942.46 × 403,913.24
  4. Step 4: Simplify right side
    743,422.04x = 414,391,743,072.17
  5. Step 5: Solve for x
    x = 414,391,743,072.17/743,422.04
  6. Step 6: Final answer
    x = 557,411.16

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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.