Home / 691,603.74-1,037,405.70-186,165.90

Finding the Fourth Proportional to 691,603.74, 1,037,405.70 and 186,165.90

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Solution

The fourth proportional to 691,603.74, 1,037,405.70 and 186,165.90 is: 279,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,603.74 : 1,037,405.70 = 186,165.90 : x
  2. Step 2: Convert to fraction form
    691,603.74/1,037,405.70 = 186,165.90/x
  3. Step 3: Cross multiply
    691,603.74x = 1,037,405.70 × 186,165.90
  4. Step 4: Simplify right side
    691,603.74x = 193,129,565,805.63
  5. Step 5: Solve for x
    x = 193,129,565,805.63/691,603.74
  6. Step 6: Final answer
    x = 279,248.87

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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.