Home / 370,832.52-511,767.64-207,507.36

Finding the Fourth Proportional to 370,832.52, 511,767.64 and 207,507.36

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Solution

The fourth proportional to 370,832.52, 511,767.64 and 207,507.36 is: 286,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,832.52 : 511,767.64 = 207,507.36 : x
  2. Step 2: Convert to fraction form
    370,832.52/511,767.64 = 207,507.36/x
  3. Step 3: Cross multiply
    370,832.52x = 511,767.64 × 207,507.36
  4. Step 4: Simplify right side
    370,832.52x = 106,195,551,909.83
  5. Step 5: Solve for x
    x = 106,195,551,909.83/370,832.52
  6. Step 6: Final answer
    x = 286,370.66

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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.