Home / 801,434.50-1,105,979.61-461,924.62

Finding the Fourth Proportional to 801,434.50, 1,105,979.61 and 461,924.62

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Solution

The fourth proportional to 801,434.50, 1,105,979.61 and 461,924.62 is: 637,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,434.50 : 1,105,979.61 = 461,924.62 : x
  2. Step 2: Convert to fraction form
    801,434.50/1,105,979.61 = 461,924.62/x
  3. Step 3: Cross multiply
    801,434.50x = 1,105,979.61 × 461,924.62
  4. Step 4: Simplify right side
    801,434.50x = 510,879,211,077.00
  5. Step 5: Solve for x
    x = 510,879,211,077.00/801,434.50
  6. Step 6: Final answer
    x = 637,455.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.