Home / 370,848.58-511,836.59-217,886.72

Finding the Fourth Proportional to 370,848.58, 511,836.59 and 217,886.72

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Solution

The fourth proportional to 370,848.58, 511,836.59 and 217,886.72 is: 300,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,848.58 : 511,836.59 = 217,886.72 : x
  2. Step 2: Convert to fraction form
    370,848.58/511,836.59 = 217,886.72/x
  3. Step 3: Cross multiply
    370,848.58x = 511,836.59 × 217,886.72
  4. Step 4: Simplify right side
    370,848.58x = 111,522,395,961.24
  5. Step 5: Solve for x
    x = 111,522,395,961.24/370,848.58
  6. Step 6: Final answer
    x = 300,722.19

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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.