Home / 1,042,771.76-1,439,019.96-565,843.76

Finding the Fourth Proportional to 1,042,771.76, 1,439,019.96 and 565,843.76

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Solution

The fourth proportional to 1,042,771.76, 1,439,019.96 and 565,843.76 is: 780,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,771.76 : 1,439,019.96 = 565,843.76 : x
  2. Step 2: Convert to fraction form
    1,042,771.76/1,439,019.96 = 565,843.76/x
  3. Step 3: Cross multiply
    1,042,771.76x = 1,439,019.96 × 565,843.76
  4. Step 4: Simplify right side
    1,042,771.76x = 814,260,464,881.45
  5. Step 5: Solve for x
    x = 814,260,464,881.45/1,042,771.76
  6. Step 6: Final answer
    x = 780,861.64

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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.