Home / 853,481.20-1,177,795.20-471,483.04

Finding the Fourth Proportional to 853,481.20, 1,177,795.20 and 471,483.04

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Solution

The fourth proportional to 853,481.20, 1,177,795.20 and 471,483.04 is: 650,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,481.20 : 1,177,795.20 = 471,483.04 : x
  2. Step 2: Convert to fraction form
    853,481.20/1,177,795.20 = 471,483.04/x
  3. Step 3: Cross multiply
    853,481.20x = 1,177,795.20 × 471,483.04
  4. Step 4: Simplify right side
    853,481.20x = 555,310,461,393.41
  5. Step 5: Solve for x
    x = 555,310,461,393.41/853,481.20
  6. Step 6: Final answer
    x = 650,641.70

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1.5x scale

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.