Home / 1,256,837.11-1,734,170.61-821,892.02

Finding the Fourth Proportional to 1,256,837.11, 1,734,170.61 and 821,892.02

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Solution

The fourth proportional to 1,256,837.11, 1,734,170.61 and 821,892.02 is: 1,134,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,837.11 : 1,734,170.61 = 821,892.02 : x
  2. Step 2: Convert to fraction form
    1,256,837.11/1,734,170.61 = 821,892.02/x
  3. Step 3: Cross multiply
    1,256,837.11x = 1,734,170.61 × 821,892.02
  4. Step 4: Simplify right side
    1,256,837.11x = 1,425,300,980,088.77
  5. Step 5: Solve for x
    x = 1,425,300,980,088.77/1,256,837.11
  6. Step 6: Final answer
    x = 1,134,037.95

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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.