Home / 788,322.12-1,087,884.24-425,746.06

Finding the Fourth Proportional to 788,322.12, 1,087,884.24 and 425,746.06

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Solution

The fourth proportional to 788,322.12, 1,087,884.24 and 425,746.06 is: 587,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,322.12 : 1,087,884.24 = 425,746.06 : x
  2. Step 2: Convert to fraction form
    788,322.12/1,087,884.24 = 425,746.06/x
  3. Step 3: Cross multiply
    788,322.12x = 1,087,884.24 × 425,746.06
  4. Step 4: Simplify right side
    788,322.12x = 463,162,428,916.09
  5. Step 5: Solve for x
    x = 463,162,428,916.09/788,322.12
  6. Step 6: Final answer
    x = 587,529.41

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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.