Home / 874,346.50-1,309,837.13-536,400.33

Finding the Fourth Proportional to 874,346.50, 1,309,837.13 and 536,400.33

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Solution

The fourth proportional to 874,346.50, 1,309,837.13 and 536,400.33 is: 803,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,346.50 : 1,309,837.13 = 536,400.33 : x
  2. Step 2: Convert to fraction form
    874,346.50/1,309,837.13 = 536,400.33/x
  3. Step 3: Cross multiply
    874,346.50x = 1,309,837.13 × 536,400.33
  4. Step 4: Simplify right side
    874,346.50x = 702,597,063,195.86
  5. Step 5: Solve for x
    x = 702,597,063,195.86/874,346.50
  6. Step 6: Final answer
    x = 803,568.22

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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.