Home / 740,734.88-1,022,214.33-401,203.13

Finding the Fourth Proportional to 740,734.88, 1,022,214.33 and 401,203.13

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Solution

The fourth proportional to 740,734.88, 1,022,214.33 and 401,203.13 is: 553,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,734.88 : 1,022,214.33 = 401,203.13 : x
  2. Step 2: Convert to fraction form
    740,734.88/1,022,214.33 = 401,203.13/x
  3. Step 3: Cross multiply
    740,734.88x = 1,022,214.33 × 401,203.13
  4. Step 4: Simplify right side
    740,734.88x = 410,115,583,615.78
  5. Step 5: Solve for x
    x = 410,115,583,615.78/740,734.88
  6. Step 6: Final answer
    x = 553,660.42

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Double scale
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1.5x scale

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.