Home / 691,438.25-1,037,332.34-192,802.25

Finding the Fourth Proportional to 691,438.25, 1,037,332.34 and 192,802.25

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Solution

The fourth proportional to 691,438.25, 1,037,332.34 and 192,802.25 is: 289,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,438.25 : 1,037,332.34 = 192,802.25 : x
  2. Step 2: Convert to fraction form
    691,438.25/1,037,332.34 = 192,802.25/x
  3. Step 3: Cross multiply
    691,438.25x = 1,037,332.34 × 192,802.25
  4. Step 4: Simplify right side
    691,438.25x = 200,000,008,185.75
  5. Step 5: Solve for x
    x = 200,000,008,185.75/691,438.25
  6. Step 6: Final answer
    x = 289,252.16

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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.