Home / 1,186,364.22-1,637,212.66-727,731.70

Finding the Fourth Proportional to 1,186,364.22, 1,637,212.66 and 727,731.70

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Solution

The fourth proportional to 1,186,364.22, 1,637,212.66 and 727,731.70 is: 1,004,288.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,364.22 : 1,637,212.66 = 727,731.70 : x
  2. Step 2: Convert to fraction form
    1,186,364.22/1,637,212.66 = 727,731.70/x
  3. Step 3: Cross multiply
    1,186,364.22x = 1,637,212.66 × 727,731.70
  4. Step 4: Simplify right side
    1,186,364.22x = 1,191,451,552,323.32
  5. Step 5: Solve for x
    x = 1,191,451,552,323.32/1,186,364.22
  6. Step 6: Final answer
    x = 1,004,288.17

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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.