Home / 1,538,133.60-2,307,200.40-416,202.60

Finding the Fourth Proportional to 1,538,133.60, 2,307,200.40 and 416,202.60

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Solution

The fourth proportional to 1,538,133.60, 2,307,200.40 and 416,202.60 is: 624,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,133.60 : 2,307,200.40 = 416,202.60 : x
  2. Step 2: Convert to fraction form
    1,538,133.60/2,307,200.40 = 416,202.60/x
  3. Step 3: Cross multiply
    1,538,133.60x = 2,307,200.40 × 416,202.60
  4. Step 4: Simplify right side
    1,538,133.60x = 960,262,805,201.04
  5. Step 5: Solve for x
    x = 960,262,805,201.04/1,538,133.60
  6. Step 6: Final answer
    x = 624,303.90

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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.