Home / 581,529.11-802,510.64-323,400.43

Finding the Fourth Proportional to 581,529.11, 802,510.64 and 323,400.43

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Solution

The fourth proportional to 581,529.11, 802,510.64 and 323,400.43 is: 446,292.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,529.11 : 802,510.64 = 323,400.43 : x
  2. Step 2: Convert to fraction form
    581,529.11/802,510.64 = 323,400.43/x
  3. Step 3: Cross multiply
    581,529.11x = 802,510.64 × 323,400.43
  4. Step 4: Simplify right side
    581,529.11x = 259,532,284,438.57
  5. Step 5: Solve for x
    x = 259,532,284,438.57/581,529.11
  6. Step 6: Final answer
    x = 446,292.85

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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.