Home / 1,169,511.87-1,613,939.85-686,085.24

Finding the Fourth Proportional to 1,169,511.87, 1,613,939.85 and 686,085.24

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Solution

The fourth proportional to 1,169,511.87, 1,613,939.85 and 686,085.24 is: 946,805.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,511.87 : 1,613,939.85 = 686,085.24 : x
  2. Step 2: Convert to fraction form
    1,169,511.87/1,613,939.85 = 686,085.24/x
  3. Step 3: Cross multiply
    1,169,511.87x = 1,613,939.85 × 686,085.24
  4. Step 4: Simplify right side
    1,169,511.87x = 1,107,300,309,332.81
  5. Step 5: Solve for x
    x = 1,107,300,309,332.81/1,169,511.87
  6. Step 6: Final answer
    x = 946,805.53

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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.