Home / 1,661,570.42-2,292,981.48-936,279.14

Finding the Fourth Proportional to 1,661,570.42, 2,292,981.48 and 936,279.14

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Solution

The fourth proportional to 1,661,570.42, 2,292,981.48 and 936,279.14 is: 1,292,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,570.42 : 2,292,981.48 = 936,279.14 : x
  2. Step 2: Convert to fraction form
    1,661,570.42/2,292,981.48 = 936,279.14/x
  3. Step 3: Cross multiply
    1,661,570.42x = 2,292,981.48 × 936,279.14
  4. Step 4: Simplify right side
    1,661,570.42x = 2,146,870,716,665.42
  5. Step 5: Solve for x
    x = 2,146,870,716,665.42/1,661,570.42
  6. Step 6: Final answer
    x = 1,292,073.27

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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.