Home / 628,004.42-942,153.60-207,279.86

Finding the Fourth Proportional to 628,004.42, 942,153.60 and 207,279.86

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Solution

The fourth proportional to 628,004.42, 942,153.60 and 207,279.86 is: 310,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,004.42 : 942,153.60 = 207,279.86 : x
  2. Step 2: Convert to fraction form
    628,004.42/942,153.60 = 207,279.86/x
  3. Step 3: Cross multiply
    628,004.42x = 942,153.60 × 207,279.86
  4. Step 4: Simplify right side
    628,004.42x = 195,289,466,306.50
  5. Step 5: Solve for x
    x = 195,289,466,306.50/628,004.42
  6. Step 6: Final answer
    x = 310,968.30

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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.