Home / 403,537.96-556,284.66-258,322.36

Finding the Fourth Proportional to 403,537.96, 556,284.66 and 258,322.36

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Solution

The fourth proportional to 403,537.96, 556,284.66 and 258,322.36 is: 356,102.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,537.96 : 556,284.66 = 258,322.36 : x
  2. Step 2: Convert to fraction form
    403,537.96/556,284.66 = 258,322.36/x
  3. Step 3: Cross multiply
    403,537.96x = 556,284.66 × 258,322.36
  4. Step 4: Simplify right side
    403,537.96x = 143,700,766,203.00
  5. Step 5: Solve for x
    x = 143,700,766,203.00/403,537.96
  6. Step 6: Final answer
    x = 356,102.23

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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.