Home / 696,731.87-1,045,099.44-191,299.77

Finding the Fourth Proportional to 696,731.87, 1,045,099.44 and 191,299.77

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Solution

The fourth proportional to 696,731.87, 1,045,099.44 and 191,299.77 is: 286,950.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,731.87 : 1,045,099.44 = 191,299.77 : x
  2. Step 2: Convert to fraction form
    696,731.87/1,045,099.44 = 191,299.77/x
  3. Step 3: Cross multiply
    696,731.87x = 1,045,099.44 × 191,299.77
  4. Step 4: Simplify right side
    696,731.87x = 199,927,282,499.13
  5. Step 5: Solve for x
    x = 199,927,282,499.13/696,731.87
  6. Step 6: Final answer
    x = 286,950.11

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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.