Home / 409,427.46-564,995.52-228,130.02

Finding the Fourth Proportional to 409,427.46, 564,995.52 and 228,130.02

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Solution

The fourth proportional to 409,427.46, 564,995.52 and 228,130.02 is: 314,811.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,427.46 : 564,995.52 = 228,130.02 : x
  2. Step 2: Convert to fraction form
    409,427.46/564,995.52 = 228,130.02/x
  3. Step 3: Cross multiply
    409,427.46x = 564,995.52 × 228,130.02
  4. Step 4: Simplify right side
    409,427.46x = 128,892,439,277.51
  5. Step 5: Solve for x
    x = 128,892,439,277.51/409,427.46
  6. Step 6: Final answer
    x = 314,811.42

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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.