Home / 439,776.30-606,578.42-403,594.58

Finding the Fourth Proportional to 439,776.30, 606,578.42 and 403,594.58

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Solution

The fourth proportional to 439,776.30, 606,578.42 and 403,594.58 is: 556,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,776.30 : 606,578.42 = 403,594.58 : x
  2. Step 2: Convert to fraction form
    439,776.30/606,578.42 = 403,594.58/x
  3. Step 3: Cross multiply
    439,776.30x = 606,578.42 × 403,594.58
  4. Step 4: Simplify right side
    439,776.30x = 244,811,762,656.96
  5. Step 5: Solve for x
    x = 244,811,762,656.96/439,776.30
  6. Step 6: Final answer
    x = 556,673.39

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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.