Home / 1,065,211.76-1,469,969.45-581,778.85

Finding the Fourth Proportional to 1,065,211.76, 1,469,969.45 and 581,778.85

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Solution

The fourth proportional to 1,065,211.76, 1,469,969.45 and 581,778.85 is: 802,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,211.76 : 1,469,969.45 = 581,778.85 : x
  2. Step 2: Convert to fraction form
    1,065,211.76/1,469,969.45 = 581,778.85/x
  3. Step 3: Cross multiply
    1,065,211.76x = 1,469,969.45 × 581,778.85
  4. Step 4: Simplify right side
    1,065,211.76x = 855,197,136,156.13
  5. Step 5: Solve for x
    x = 855,197,136,156.13/1,065,211.76
  6. Step 6: Final answer
    x = 802,842.37

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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.