Home / 1,407,859.20-1,942,699.82-864,017.91

Finding the Fourth Proportional to 1,407,859.20, 1,942,699.82 and 864,017.91

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Solution

The fourth proportional to 1,407,859.20, 1,942,699.82 and 864,017.91 is: 1,192,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,859.20 : 1,942,699.82 = 864,017.91 : x
  2. Step 2: Convert to fraction form
    1,407,859.20/1,942,699.82 = 864,017.91/x
  3. Step 3: Cross multiply
    1,407,859.20x = 1,942,699.82 × 864,017.91
  4. Step 4: Simplify right side
    1,407,859.20x = 1,678,527,433,913.69
  5. Step 5: Solve for x
    x = 1,678,527,433,913.69/1,407,859.20
  6. Step 6: Final answer
    x = 1,192,255.19

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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.