Home / 1,186,937.82-1,637,877.20-696,855.69

Finding the Fourth Proportional to 1,186,937.82, 1,637,877.20 and 696,855.69

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Solution

The fourth proportional to 1,186,937.82, 1,637,877.20 and 696,855.69 is: 961,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,937.82 : 1,637,877.20 = 696,855.69 : x
  2. Step 2: Convert to fraction form
    1,186,937.82/1,637,877.20 = 696,855.69/x
  3. Step 3: Cross multiply
    1,186,937.82x = 1,637,877.20 × 696,855.69
  4. Step 4: Simplify right side
    1,186,937.82x = 1,141,364,042,856.99
  5. Step 5: Solve for x
    x = 1,141,364,042,856.99/1,186,937.82
  6. Step 6: Final answer
    x = 961,603.91

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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.