Home / 964,257.28-1,330,585.38-534,500.80

Finding the Fourth Proportional to 964,257.28, 1,330,585.38 and 534,500.80

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Solution

The fourth proportional to 964,257.28, 1,330,585.38 and 534,500.80 is: 737,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,257.28 : 1,330,585.38 = 534,500.80 : x
  2. Step 2: Convert to fraction form
    964,257.28/1,330,585.38 = 534,500.80/x
  3. Step 3: Cross multiply
    964,257.28x = 1,330,585.38 × 534,500.80
  4. Step 4: Simplify right side
    964,257.28x = 711,198,950,078.30
  5. Step 5: Solve for x
    x = 711,198,950,078.30/964,257.28
  6. Step 6: Final answer
    x = 737,561.40

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Double scale
Find fourth proportional to 964,258.28, 1,330,586.76 and 534,501.80
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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.