Home / 694,641.60-1,041,962.40-221,361.60

Finding the Fourth Proportional to 694,641.60, 1,041,962.40 and 221,361.60

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Solution

The fourth proportional to 694,641.60, 1,041,962.40 and 221,361.60 is: 332,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,641.60 : 1,041,962.40 = 221,361.60 : x
  2. Step 2: Convert to fraction form
    694,641.60/1,041,962.40 = 221,361.60/x
  3. Step 3: Cross multiply
    694,641.60x = 1,041,962.40 × 221,361.60
  4. Step 4: Simplify right side
    694,641.60x = 230,650,464,003.84
  5. Step 5: Solve for x
    x = 230,650,464,003.84/694,641.60
  6. Step 6: Final answer
    x = 332,042.40

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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.