Home / 1,186,910.20-1,637,937-696,783.78

Finding the Fourth Proportional to 1,186,910.20, 1,637,937 and 696,783.78

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Solution

The fourth proportional to 1,186,910.20, 1,637,937 and 696,783.78 is: 961,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,910.20 : 1,637,937 = 696,783.78 : x
  2. Step 2: Convert to fraction form
    1,186,910.20/1,637,937 = 696,783.78/x
  3. Step 3: Cross multiply
    1,186,910.20x = 1,637,937 × 696,783.78
  4. Step 4: Simplify right side
    1,186,910.20x = 1,141,287,934,261.86
  5. Step 5: Solve for x
    x = 1,141,287,934,261.86/1,186,910.20
  6. Step 6: Final answer
    x = 961,562.16

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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.