Home / 403,284.42-556,545.05-219,535.22

Finding the Fourth Proportional to 403,284.42, 556,545.05 and 219,535.22

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Solution

The fourth proportional to 403,284.42, 556,545.05 and 219,535.22 is: 302,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,284.42 : 556,545.05 = 219,535.22 : x
  2. Step 2: Convert to fraction form
    403,284.42/556,545.05 = 219,535.22/x
  3. Step 3: Cross multiply
    403,284.42x = 556,545.05 × 219,535.22
  4. Step 4: Simplify right side
    403,284.42x = 122,181,241,119.44
  5. Step 5: Solve for x
    x = 122,181,241,119.44/403,284.42
  6. Step 6: Final answer
    x = 302,965.44

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1.5x scale

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.