Home / 370,353.18-511,087.41-200,587.32

Finding the Fourth Proportional to 370,353.18, 511,087.41 and 200,587.32

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Solution

The fourth proportional to 370,353.18, 511,087.41 and 200,587.32 is: 276,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,353.18 : 511,087.41 = 200,587.32 : x
  2. Step 2: Convert to fraction form
    370,353.18/511,087.41 = 200,587.32/x
  3. Step 3: Cross multiply
    370,353.18x = 511,087.41 × 200,587.32
  4. Step 4: Simplify right side
    370,353.18x = 102,517,653,857.64
  5. Step 5: Solve for x
    x = 102,517,653,857.64/370,353.18
  6. Step 6: Final answer
    x = 276,810.51

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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.