Home / 656,919.40-906,713.91-370,605.56

Finding the Fourth Proportional to 656,919.40, 906,713.91 and 370,605.56

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Solution

The fourth proportional to 656,919.40, 906,713.91 and 370,605.56 is: 511,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,919.40 : 906,713.91 = 370,605.56 : x
  2. Step 2: Convert to fraction form
    656,919.40/906,713.91 = 370,605.56/x
  3. Step 3: Cross multiply
    656,919.40x = 906,713.91 × 370,605.56
  4. Step 4: Simplify right side
    656,919.40x = 336,033,218,642.12
  5. Step 5: Solve for x
    x = 336,033,218,642.12/656,919.40
  6. Step 6: Final answer
    x = 511,528.84

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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.