Home / 1,242,912.60-1,864,368.90-444,220.20

Finding the Fourth Proportional to 1,242,912.60, 1,864,368.90 and 444,220.20

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Solution

The fourth proportional to 1,242,912.60, 1,864,368.90 and 444,220.20 is: 666,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,912.60 : 1,864,368.90 = 444,220.20 : x
  2. Step 2: Convert to fraction form
    1,242,912.60/1,864,368.90 = 444,220.20/x
  3. Step 3: Cross multiply
    1,242,912.60x = 1,864,368.90 × 444,220.20
  4. Step 4: Simplify right side
    1,242,912.60x = 828,190,325,631.78
  5. Step 5: Solve for x
    x = 828,190,325,631.78/1,242,912.60
  6. Step 6: Final answer
    x = 666,330.30

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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.