Home / 788,322.36-1,087,884.59-425,746.30

Finding the Fourth Proportional to 788,322.36, 1,087,884.59 and 425,746.30

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Solution

The fourth proportional to 788,322.36, 1,087,884.59 and 425,746.30 is: 587,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,322.36 : 1,087,884.59 = 425,746.30 : x
  2. Step 2: Convert to fraction form
    788,322.36/1,087,884.59 = 425,746.30/x
  3. Step 3: Cross multiply
    788,322.36x = 1,087,884.59 × 425,746.30
  4. Step 4: Simplify right side
    788,322.36x = 463,162,839,019.52
  5. Step 5: Solve for x
    x = 463,162,839,019.52/788,322.36
  6. Step 6: Final answer
    x = 587,529.75

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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.