Home / 959,115.20-1,323,611.04-523,558.40

Finding the Fourth Proportional to 959,115.20, 1,323,611.04 and 523,558.40

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Solution

The fourth proportional to 959,115.20, 1,323,611.04 and 523,558.40 is: 722,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,115.20 : 1,323,611.04 = 523,558.40 : x
  2. Step 2: Convert to fraction form
    959,115.20/1,323,611.04 = 523,558.40/x
  3. Step 3: Cross multiply
    959,115.20x = 1,323,611.04 × 523,558.40
  4. Step 4: Simplify right side
    959,115.20x = 692,987,678,324.74
  5. Step 5: Solve for x
    x = 692,987,678,324.74/959,115.20
  6. Step 6: Final answer
    x = 722,528.09

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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.