Home / 959,115.47-1,323,611.40-523,558.64

Finding the Fourth Proportional to 959,115.47, 1,323,611.40 and 523,558.64

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Solution

The fourth proportional to 959,115.47, 1,323,611.40 and 523,558.64 is: 722,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,115.47 : 1,323,611.40 = 523,558.64 : x
  2. Step 2: Convert to fraction form
    959,115.47/1,323,611.40 = 523,558.64/x
  3. Step 3: Cross multiply
    959,115.47x = 1,323,611.40 × 523,558.64
  4. Step 4: Simplify right side
    959,115.47x = 692,988,177,854.44
  5. Step 5: Solve for x
    x = 692,988,177,854.44/959,115.47
  6. Step 6: Final answer
    x = 722,528.42

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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.