Home / 1,006,550.72-1,389,039.99-553,841.72

Finding the Fourth Proportional to 1,006,550.72, 1,389,039.99 and 553,841.72

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Solution

The fourth proportional to 1,006,550.72, 1,389,039.99 and 553,841.72 is: 764,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,550.72 : 1,389,039.99 = 553,841.72 : x
  2. Step 2: Convert to fraction form
    1,006,550.72/1,389,039.99 = 553,841.72/x
  3. Step 3: Cross multiply
    1,006,550.72x = 1,389,039.99 × 553,841.72
  4. Step 4: Simplify right side
    1,006,550.72x = 769,308,296,512.54
  5. Step 5: Solve for x
    x = 769,308,296,512.54/1,006,550.72
  6. Step 6: Final answer
    x = 764,301.57

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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.