Home / 401,335.08-553,852.98-226,891.40

Finding the Fourth Proportional to 401,335.08, 553,852.98 and 226,891.40

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Solution

The fourth proportional to 401,335.08, 553,852.98 and 226,891.40 is: 313,116.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,335.08 : 553,852.98 = 226,891.40 : x
  2. Step 2: Convert to fraction form
    401,335.08/553,852.98 = 226,891.40/x
  3. Step 3: Cross multiply
    401,335.08x = 553,852.98 × 226,891.40
  4. Step 4: Simplify right side
    401,335.08x = 125,664,478,026.37
  5. Step 5: Solve for x
    x = 125,664,478,026.37/401,335.08
  6. Step 6: Final answer
    x = 313,116.11

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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.