Home / 816,733.62-1,225,158.75-217,691.64

Finding the Fourth Proportional to 816,733.62, 1,225,158.75 and 217,691.64

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Solution

The fourth proportional to 816,733.62, 1,225,158.75 and 217,691.64 is: 326,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,733.62 : 1,225,158.75 = 217,691.64 : x
  2. Step 2: Convert to fraction form
    816,733.62/1,225,158.75 = 217,691.64/x
  3. Step 3: Cross multiply
    816,733.62x = 1,225,158.75 × 217,691.64
  4. Step 4: Simplify right side
    816,733.62x = 266,706,817,547.85
  5. Step 5: Solve for x
    x = 266,706,817,547.85/816,733.62
  6. Step 6: Final answer
    x = 326,553.00

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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.