Home / 863,270.48-1,191,322.15-476,099.80

Finding the Fourth Proportional to 863,270.48, 1,191,322.15 and 476,099.80

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Solution

The fourth proportional to 863,270.48, 1,191,322.15 and 476,099.80 is: 657,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,270.48 : 1,191,322.15 = 476,099.80 : x
  2. Step 2: Convert to fraction form
    863,270.48/1,191,322.15 = 476,099.80/x
  3. Step 3: Cross multiply
    863,270.48x = 1,191,322.15 × 476,099.80
  4. Step 4: Simplify right side
    863,270.48x = 567,188,233,182.02
  5. Step 5: Solve for x
    x = 567,188,233,182.02/863,270.48
  6. Step 6: Final answer
    x = 657,022.62

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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.