Home / 692,019.20-1,037,530.62-425,228.50

Finding the Fourth Proportional to 692,019.20, 1,037,530.62 and 425,228.50

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Solution

The fourth proportional to 692,019.20, 1,037,530.62 and 425,228.50 is: 637,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,019.20 : 1,037,530.62 = 425,228.50 : x
  2. Step 2: Convert to fraction form
    692,019.20/1,037,530.62 = 425,228.50/x
  3. Step 3: Cross multiply
    692,019.20x = 1,037,530.62 × 425,228.50
  4. Step 4: Simplify right side
    692,019.20x = 441,187,589,246.67
  5. Step 5: Solve for x
    x = 441,187,589,246.67/692,019.20
  6. Step 6: Final answer
    x = 637,536.63

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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.