Home / 1,513,313.69-2,088,268.24-851,124.71

Finding the Fourth Proportional to 1,513,313.69, 2,088,268.24 and 851,124.71

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Solution

The fourth proportional to 1,513,313.69, 2,088,268.24 and 851,124.71 is: 1,174,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,313.69 : 2,088,268.24 = 851,124.71 : x
  2. Step 2: Convert to fraction form
    1,513,313.69/2,088,268.24 = 851,124.71/x
  3. Step 3: Cross multiply
    1,513,313.69x = 2,088,268.24 × 851,124.71
  4. Step 4: Simplify right side
    1,513,313.69x = 1,777,376,700,172.21
  5. Step 5: Solve for x
    x = 1,777,376,700,172.21/1,513,313.69
  6. Step 6: Final answer
    x = 1,174,493.24

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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.