Home / 709,255.63-1,063,242.37-481,627.20

Finding the Fourth Proportional to 709,255.63, 1,063,242.37 and 481,627.20

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Solution

The fourth proportional to 709,255.63, 1,063,242.37 and 481,627.20 is: 722,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,255.63 : 1,063,242.37 = 481,627.20 : x
  2. Step 2: Convert to fraction form
    709,255.63/1,063,242.37 = 481,627.20/x
  3. Step 3: Cross multiply
    709,255.63x = 1,063,242.37 × 481,627.20
  4. Step 4: Simplify right side
    709,255.63x = 512,086,445,584.46
  5. Step 5: Solve for x
    x = 512,086,445,584.46/709,255.63
  6. Step 6: Final answer
    x = 722,005.47

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1.5x scale

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.