Home / 403,545.85-556,886.41-222,274.74

Finding the Fourth Proportional to 403,545.85, 556,886.41 and 222,274.74

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Solution

The fourth proportional to 403,545.85, 556,886.41 and 222,274.74 is: 306,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,545.85 : 556,886.41 = 222,274.74 : x
  2. Step 2: Convert to fraction form
    403,545.85/556,886.41 = 222,274.74/x
  3. Step 3: Cross multiply
    403,545.85x = 556,886.41 × 222,274.74
  4. Step 4: Simplify right side
    403,545.85x = 123,781,781,992.28
  5. Step 5: Solve for x
    x = 123,781,781,992.28/403,545.85
  6. Step 6: Final answer
    x = 306,735.36

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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.