Home / 743,375.70-1,025,859.69-403,844.22

Finding the Fourth Proportional to 743,375.70, 1,025,859.69 and 403,844.22

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Solution

The fourth proportional to 743,375.70, 1,025,859.69 and 403,844.22 is: 557,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,375.70 : 1,025,859.69 = 403,844.22 : x
  2. Step 2: Convert to fraction form
    743,375.70/1,025,859.69 = 403,844.22/x
  3. Step 3: Cross multiply
    743,375.70x = 1,025,859.69 × 403,844.22
  4. Step 4: Simplify right side
    743,375.70x = 414,287,506,337.49
  5. Step 5: Solve for x
    x = 414,287,506,337.49/743,375.70
  6. Step 6: Final answer
    x = 557,305.69

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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.