Home / 886,884.60-1,223,900.58-478,986.44

Finding the Fourth Proportional to 886,884.60, 1,223,900.58 and 478,986.44

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Solution

The fourth proportional to 886,884.60, 1,223,900.58 and 478,986.44 is: 661,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,884.60 : 1,223,900.58 = 478,986.44 : x
  2. Step 2: Convert to fraction form
    886,884.60/1,223,900.58 = 478,986.44/x
  3. Step 3: Cross multiply
    886,884.60x = 1,223,900.58 × 478,986.44
  4. Step 4: Simplify right side
    886,884.60x = 586,231,781,728.14
  5. Step 5: Solve for x
    x = 586,231,781,728.14/886,884.60
  6. Step 6: Final answer
    x = 661,001.20

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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.