Home / 747,558-1,121,832.26-410,833.81

Finding the Fourth Proportional to 747,558, 1,121,832.26 and 410,833.81

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Solution

The fourth proportional to 747,558, 1,121,832.26 and 410,833.81 is: 616,522.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,558 : 1,121,832.26 = 410,833.81 : x
  2. Step 2: Convert to fraction form
    747,558/1,121,832.26 = 410,833.81/x
  3. Step 3: Cross multiply
    747,558x = 1,121,832.26 × 410,833.81
  4. Step 4: Simplify right side
    747,558x = 460,886,621,556.71
  5. Step 5: Solve for x
    x = 460,886,621,556.71/747,558
  6. Step 6: Final answer
    x = 616,522.89

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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.