Home / 1,186,562.20-1,637,003.85-877,207.60

Finding the Fourth Proportional to 1,186,562.20, 1,637,003.85 and 877,207.60

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Solution

The fourth proportional to 1,186,562.20, 1,637,003.85 and 877,207.60 is: 1,210,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,562.20 : 1,637,003.85 = 877,207.60 : x
  2. Step 2: Convert to fraction form
    1,186,562.20/1,637,003.85 = 877,207.60/x
  3. Step 3: Cross multiply
    1,186,562.20x = 1,637,003.85 × 877,207.60
  4. Step 4: Simplify right side
    1,186,562.20x = 1,435,992,218,449.26
  5. Step 5: Solve for x
    x = 1,435,992,218,449.26/1,186,562.20
  6. Step 6: Final answer
    x = 1,210,212.34

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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.