Home / 1,100,012.37-1,518,011.97-616,577.43

Finding the Fourth Proportional to 1,100,012.37, 1,518,011.97 and 616,577.43

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Solution

The fourth proportional to 1,100,012.37, 1,518,011.97 and 616,577.43 is: 850,873.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,012.37 : 1,518,011.97 = 616,577.43 : x
  2. Step 2: Convert to fraction form
    1,100,012.37/1,518,011.97 = 616,577.43/x
  3. Step 3: Cross multiply
    1,100,012.37x = 1,518,011.97 × 616,577.43
  4. Step 4: Simplify right side
    1,100,012.37x = 935,971,919,171.84
  5. Step 5: Solve for x
    x = 935,971,919,171.84/1,100,012.37
  6. Step 6: Final answer
    x = 850,873.99

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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.