Home / 581,111.87-801,999.30-351,795.50

Finding the Fourth Proportional to 581,111.87, 801,999.30 and 351,795.50

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Solution

The fourth proportional to 581,111.87, 801,999.30 and 351,795.50 is: 485,517.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,111.87 : 801,999.30 = 351,795.50 : x
  2. Step 2: Convert to fraction form
    581,111.87/801,999.30 = 351,795.50/x
  3. Step 3: Cross multiply
    581,111.87x = 801,999.30 × 351,795.50
  4. Step 4: Simplify right side
    581,111.87x = 282,139,740,733.15
  5. Step 5: Solve for x
    x = 282,139,740,733.15/581,111.87
  6. Step 6: Final answer
    x = 485,517.09

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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.