Home / 656,868.30-906,558.96-370,382.64

Finding the Fourth Proportional to 656,868.30, 906,558.96 and 370,382.64

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Solution

The fourth proportional to 656,868.30, 906,558.96 and 370,382.64 is: 511,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,868.30 : 906,558.96 = 370,382.64 : x
  2. Step 2: Convert to fraction form
    656,868.30/906,558.96 = 370,382.64/x
  3. Step 3: Cross multiply
    656,868.30x = 906,558.96 × 370,382.64
  4. Step 4: Simplify right side
    656,868.30x = 335,773,700,920.45
  5. Step 5: Solve for x
    x = 335,773,700,920.45/656,868.30
  6. Step 6: Final answer
    x = 511,173.55

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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.