Home / 964,157.60-1,330,550.88-528,615.92

Finding the Fourth Proportional to 964,157.60, 1,330,550.88 and 528,615.92

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Solution

The fourth proportional to 964,157.60, 1,330,550.88 and 528,615.92 is: 729,497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,157.60 : 1,330,550.88 = 528,615.92 : x
  2. Step 2: Convert to fraction form
    964,157.60/1,330,550.88 = 528,615.92/x
  3. Step 3: Cross multiply
    964,157.60x = 1,330,550.88 × 528,615.92
  4. Step 4: Simplify right side
    964,157.60x = 703,350,377,538.01
  5. Step 5: Solve for x
    x = 703,350,377,538.01/964,157.60
  6. Step 6: Final answer
    x = 729,497.31

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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.