Home / 401,336.08-553,854.36-226,892.40

Finding the Fourth Proportional to 401,336.08, 553,854.36 and 226,892.40

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Solution

The fourth proportional to 401,336.08, 553,854.36 and 226,892.40 is: 313,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,336.08 : 553,854.36 = 226,892.40 : x
  2. Step 2: Convert to fraction form
    401,336.08/553,854.36 = 226,892.40/x
  3. Step 3: Cross multiply
    401,336.08x = 553,854.36 × 226,892.40
  4. Step 4: Simplify right side
    401,336.08x = 125,665,344,990.86
  5. Step 5: Solve for x
    x = 125,665,344,990.86/401,336.08
  6. Step 6: Final answer
    x = 313,117.49

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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.