Home / 581,112.87-802,000.68-351,796.50

Finding the Fourth Proportional to 581,112.87, 802,000.68 and 351,796.50

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Solution

The fourth proportional to 581,112.87, 802,000.68 and 351,796.50 is: 485,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,112.87 : 802,000.68 = 351,796.50 : x
  2. Step 2: Convert to fraction form
    581,112.87/802,000.68 = 351,796.50/x
  3. Step 3: Cross multiply
    581,112.87x = 802,000.68 × 351,796.50
  4. Step 4: Simplify right side
    581,112.87x = 282,141,032,221.62
  5. Step 5: Solve for x
    x = 282,141,032,221.62/581,112.87
  6. Step 6: Final answer
    x = 485,518.47

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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.