Home / 400,848.96-553,186.08-222,000.96

Finding the Fourth Proportional to 400,848.96, 553,186.08 and 222,000.96

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Solution

The fourth proportional to 400,848.96, 553,186.08 and 222,000.96 is: 306,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,848.96 : 553,186.08 = 222,000.96 : x
  2. Step 2: Convert to fraction form
    400,848.96/553,186.08 = 222,000.96/x
  3. Step 3: Cross multiply
    400,848.96x = 553,186.08 × 222,000.96
  4. Step 4: Simplify right side
    400,848.96x = 122,807,840,818.64
  5. Step 5: Solve for x
    x = 122,807,840,818.64/400,848.96
  6. Step 6: Final answer
    x = 306,369.36

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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.