Home / 1,082,206.87-1,623,531.71-372,142.69

Finding the Fourth Proportional to 1,082,206.87, 1,623,531.71 and 372,142.69

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Solution

The fourth proportional to 1,082,206.87, 1,623,531.71 and 372,142.69 is: 558,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,206.87 : 1,623,531.71 = 372,142.69 : x
  2. Step 2: Convert to fraction form
    1,082,206.87/1,623,531.71 = 372,142.69/x
  3. Step 3: Cross multiply
    1,082,206.87x = 1,623,531.71 × 372,142.69
  4. Step 4: Simplify right side
    1,082,206.87x = 604,185,457,859.70
  5. Step 5: Solve for x
    x = 604,185,457,859.70/1,082,206.87
  6. Step 6: Final answer
    x = 558,290.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.