Home / 1,670,864.76-2,305,601.28-935,716.32

Finding the Fourth Proportional to 1,670,864.76, 2,305,601.28 and 935,716.32

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Solution

The fourth proportional to 1,670,864.76, 2,305,601.28 and 935,716.32 is: 1,291,180.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,864.76 : 2,305,601.28 = 935,716.32 : x
  2. Step 2: Convert to fraction form
    1,670,864.76/2,305,601.28 = 935,716.32/x
  3. Step 3: Cross multiply
    1,670,864.76x = 2,305,601.28 × 935,716.32
  4. Step 4: Simplify right side
    1,670,864.76x = 2,157,388,745,108.89
  5. Step 5: Solve for x
    x = 2,157,388,745,108.89/1,670,864.76
  6. Step 6: Final answer
    x = 1,291,180.95

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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.