Home / 1,112,743.08-1,535,423.85-622,710.23

Finding the Fourth Proportional to 1,112,743.08, 1,535,423.85 and 622,710.23

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Solution

The fourth proportional to 1,112,743.08, 1,535,423.85 and 622,710.23 is: 859,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,743.08 : 1,535,423.85 = 622,710.23 : x
  2. Step 2: Convert to fraction form
    1,112,743.08/1,535,423.85 = 622,710.23/x
  3. Step 3: Cross multiply
    1,112,743.08x = 1,535,423.85 × 622,710.23
  4. Step 4: Simplify right side
    1,112,743.08x = 956,124,131,103.87
  5. Step 5: Solve for x
    x = 956,124,131,103.87/1,112,743.08
  6. Step 6: Final answer
    x = 859,249.68

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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.