Home / 1,673,512.32-2,309,438.86-909,565.95

Finding the Fourth Proportional to 1,673,512.32, 2,309,438.86 and 909,565.95

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Solution

The fourth proportional to 1,673,512.32, 2,309,438.86 and 909,565.95 is: 1,255,196.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,512.32 : 2,309,438.86 = 909,565.95 : x
  2. Step 2: Convert to fraction form
    1,673,512.32/2,309,438.86 = 909,565.95/x
  3. Step 3: Cross multiply
    1,673,512.32x = 2,309,438.86 × 909,565.95
  4. Step 4: Simplify right side
    1,673,512.32x = 2,100,586,950,662.82
  5. Step 5: Solve for x
    x = 2,100,586,950,662.82/1,673,512.32
  6. Step 6: Final answer
    x = 1,255,196.59

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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.