Home / 746,397.36-1,030,028.22-406,865.52

Finding the Fourth Proportional to 746,397.36, 1,030,028.22 and 406,865.52

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Solution

The fourth proportional to 746,397.36, 1,030,028.22 and 406,865.52 is: 561,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,397.36 : 1,030,028.22 = 406,865.52 : x
  2. Step 2: Convert to fraction form
    746,397.36/1,030,028.22 = 406,865.52/x
  3. Step 3: Cross multiply
    746,397.36x = 1,030,028.22 × 406,865.52
  4. Step 4: Simplify right side
    746,397.36x = 419,082,967,344.97
  5. Step 5: Solve for x
    x = 419,082,967,344.97/746,397.36
  6. Step 6: Final answer
    x = 561,474.34

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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.