Home / 816,612.20-1,223,606.10-604,035.80

Finding the Fourth Proportional to 816,612.20, 1,223,606.10 and 604,035.80

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Solution

The fourth proportional to 816,612.20, 1,223,606.10 and 604,035.80 is: 905,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,612.20 : 1,223,606.10 = 604,035.80 : x
  2. Step 2: Convert to fraction form
    816,612.20/1,223,606.10 = 604,035.80/x
  3. Step 3: Cross multiply
    816,612.20x = 1,223,606.10 × 604,035.80
  4. Step 4: Simplify right side
    816,612.20x = 739,101,889,498.38
  5. Step 5: Solve for x
    x = 739,101,889,498.38/816,612.20
  6. Step 6: Final answer
    x = 905,083.09

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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.