Home / 886,478.22-1,223,158.59-523,720.26

Finding the Fourth Proportional to 886,478.22, 1,223,158.59 and 523,720.26

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Solution

The fourth proportional to 886,478.22, 1,223,158.59 and 523,720.26 is: 722,626.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,478.22 : 1,223,158.59 = 523,720.26 : x
  2. Step 2: Convert to fraction form
    886,478.22/1,223,158.59 = 523,720.26/x
  3. Step 3: Cross multiply
    886,478.22x = 1,223,158.59 × 523,720.26
  4. Step 4: Simplify right side
    886,478.22x = 640,592,934,776.03
  5. Step 5: Solve for x
    x = 640,592,934,776.03/886,478.22
  6. Step 6: Final answer
    x = 722,626.82

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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.