Home / 964,778.56-1,331,474.12-535,197.20

Finding the Fourth Proportional to 964,778.56, 1,331,474.12 and 535,197.20

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Solution

The fourth proportional to 964,778.56, 1,331,474.12 and 535,197.20 is: 738,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,778.56 : 1,331,474.12 = 535,197.20 : x
  2. Step 2: Convert to fraction form
    964,778.56/1,331,474.12 = 535,197.20/x
  3. Step 3: Cross multiply
    964,778.56x = 1,331,474.12 × 535,197.20
  4. Step 4: Simplify right side
    964,778.56x = 712,601,220,896.46
  5. Step 5: Solve for x
    x = 712,601,220,896.46/964,778.56
  6. Step 6: Final answer
    x = 738,616.35

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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.