Home / 746,190.16-1,029,712.38-406,651.12

Finding the Fourth Proportional to 746,190.16, 1,029,712.38 and 406,651.12

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Solution

The fourth proportional to 746,190.16, 1,029,712.38 and 406,651.12 is: 561,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,190.16 : 1,029,712.38 = 406,651.12 : x
  2. Step 2: Convert to fraction form
    746,190.16/1,029,712.38 = 406,651.12/x
  3. Step 3: Cross multiply
    746,190.16x = 1,029,712.38 × 406,651.12
  4. Step 4: Simplify right side
    746,190.16x = 418,733,692,604.87
  5. Step 5: Solve for x
    x = 418,733,692,604.87/746,190.16
  6. Step 6: Final answer
    x = 561,162.17

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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.