Home / 1,186,938.82-1,637,878.57-696,856.69

Finding the Fourth Proportional to 1,186,938.82, 1,637,878.57 and 696,856.69

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Solution

The fourth proportional to 1,186,938.82, 1,637,878.57 and 696,856.69 is: 961,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,938.82 : 1,637,878.57 = 696,856.69 : x
  2. Step 2: Convert to fraction form
    1,186,938.82/1,637,878.57 = 696,856.69/x
  3. Step 3: Cross multiply
    1,186,938.82x = 1,637,878.57 × 696,856.69
  4. Step 4: Simplify right side
    1,186,938.82x = 1,141,366,638,912.13
  5. Step 5: Solve for x
    x = 1,141,366,638,912.13/1,186,938.82
  6. Step 6: Final answer
    x = 961,605.28

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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.