Home / 740,904.33-1,022,446.47-401,373.39

Finding the Fourth Proportional to 740,904.33, 1,022,446.47 and 401,373.39

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Solution

The fourth proportional to 740,904.33, 1,022,446.47 and 401,373.39 is: 553,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,904.33 : 1,022,446.47 = 401,373.39 : x
  2. Step 2: Convert to fraction form
    740,904.33/1,022,446.47 = 401,373.39/x
  3. Step 3: Cross multiply
    740,904.33x = 1,022,446.47 × 401,373.39
  4. Step 4: Simplify right side
    740,904.33x = 410,382,805,757.43
  5. Step 5: Solve for x
    x = 410,382,805,757.43/740,904.33
  6. Step 6: Final answer
    x = 553,894.46

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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.