Home / 648,066.30-972,099.45-227,190.30

Finding the Fourth Proportional to 648,066.30, 972,099.45 and 227,190.30

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Solution

The fourth proportional to 648,066.30, 972,099.45 and 227,190.30 is: 340,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,066.30 : 972,099.45 = 227,190.30 : x
  2. Step 2: Convert to fraction form
    648,066.30/972,099.45 = 227,190.30/x
  3. Step 3: Cross multiply
    648,066.30x = 972,099.45 × 227,190.30
  4. Step 4: Simplify right side
    648,066.30x = 220,851,565,675.34
  5. Step 5: Solve for x
    x = 220,851,565,675.34/648,066.30
  6. Step 6: Final answer
    x = 340,785.45

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Half scale
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Double scale
Find fourth proportional to 648,067.30, 972,100.95 and 227,191.30
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.