Home / 1,120,527.05-1,546,309.04-637,081.79

Finding the Fourth Proportional to 1,120,527.05, 1,546,309.04 and 637,081.79

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Solution

The fourth proportional to 1,120,527.05, 1,546,309.04 and 637,081.79 is: 879,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,527.05 : 1,546,309.04 = 637,081.79 : x
  2. Step 2: Convert to fraction form
    1,120,527.05/1,546,309.04 = 637,081.79/x
  3. Step 3: Cross multiply
    1,120,527.05x = 1,546,309.04 × 637,081.79
  4. Step 4: Simplify right side
    1,120,527.05x = 985,125,320,179.43
  5. Step 5: Solve for x
    x = 985,125,320,179.43/1,120,527.05
  6. Step 6: Final answer
    x = 879,162.47

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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.