Home / 727,905.60-1,091,858.40-195,480.45

Finding the Fourth Proportional to 727,905.60, 1,091,858.40 and 195,480.45

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Solution

The fourth proportional to 727,905.60, 1,091,858.40 and 195,480.45 is: 293,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,905.60 : 1,091,858.40 = 195,480.45 : x
  2. Step 2: Convert to fraction form
    727,905.60/1,091,858.40 = 195,480.45/x
  3. Step 3: Cross multiply
    727,905.60x = 1,091,858.40 × 195,480.45
  4. Step 4: Simplify right side
    727,905.60x = 213,436,971,368.28
  5. Step 5: Solve for x
    x = 213,436,971,368.28/727,905.60
  6. Step 6: Final answer
    x = 293,220.68

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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.