Home / 916,936.40-1,375,404.60-823,624.40

Finding the Fourth Proportional to 916,936.40, 1,375,404.60 and 823,624.40

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Solution

The fourth proportional to 916,936.40, 1,375,404.60 and 823,624.40 is: 1,235,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,936.40 : 1,375,404.60 = 823,624.40 : x
  2. Step 2: Convert to fraction form
    916,936.40/1,375,404.60 = 823,624.40/x
  3. Step 3: Cross multiply
    916,936.40x = 1,375,404.60 × 823,624.40
  4. Step 4: Simplify right side
    916,936.40x = 1,132,816,788,432.24
  5. Step 5: Solve for x
    x = 1,132,816,788,432.24/916,936.40
  6. Step 6: Final answer
    x = 1,235,436.60

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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.