Home / 400,367.32-552,513.90-219,095.32

Finding the Fourth Proportional to 400,367.32, 552,513.90 and 219,095.32

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Solution

The fourth proportional to 400,367.32, 552,513.90 and 219,095.32 is: 302,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,367.32 : 552,513.90 = 219,095.32 : x
  2. Step 2: Convert to fraction form
    400,367.32/552,513.90 = 219,095.32/x
  3. Step 3: Cross multiply
    400,367.32x = 552,513.90 × 219,095.32
  4. Step 4: Simplify right side
    400,367.32x = 121,053,209,724.95
  5. Step 5: Solve for x
    x = 121,053,209,724.95/400,367.32
  6. Step 6: Final answer
    x = 302,355.37

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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.