Home / 893,003.60-1,232,319.24-485,087.60

Finding the Fourth Proportional to 893,003.60, 1,232,319.24 and 485,087.60

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Solution

The fourth proportional to 893,003.60, 1,232,319.24 and 485,087.60 is: 669,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,003.60 : 1,232,319.24 = 485,087.60 : x
  2. Step 2: Convert to fraction form
    893,003.60/1,232,319.24 = 485,087.60/x
  3. Step 3: Cross multiply
    893,003.60x = 1,232,319.24 × 485,087.60
  4. Step 4: Simplify right side
    893,003.60x = 597,782,782,565.42
  5. Step 5: Solve for x
    x = 597,782,782,565.42/893,003.60
  6. Step 6: Final answer
    x = 669,406.91

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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.