Home / 888,193.60-1,332,290.40-415,801.60

Finding the Fourth Proportional to 888,193.60, 1,332,290.40 and 415,801.60

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Solution

The fourth proportional to 888,193.60, 1,332,290.40 and 415,801.60 is: 623,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,193.60 : 1,332,290.40 = 415,801.60 : x
  2. Step 2: Convert to fraction form
    888,193.60/1,332,290.40 = 415,801.60/x
  3. Step 3: Cross multiply
    888,193.60x = 1,332,290.40 × 415,801.60
  4. Step 4: Simplify right side
    888,193.60x = 553,968,479,984.64
  5. Step 5: Solve for x
    x = 553,968,479,984.64/888,193.60
  6. Step 6: Final answer
    x = 623,702.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.