Home / 1,089,338.18-1,503,265.13-605,892.92

Finding the Fourth Proportional to 1,089,338.18, 1,503,265.13 and 605,892.92

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Solution

The fourth proportional to 1,089,338.18, 1,503,265.13 and 605,892.92 is: 836,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,338.18 : 1,503,265.13 = 605,892.92 : x
  2. Step 2: Convert to fraction form
    1,089,338.18/1,503,265.13 = 605,892.92/x
  3. Step 3: Cross multiply
    1,089,338.18x = 1,503,265.13 × 605,892.92
  4. Step 4: Simplify right side
    1,089,338.18x = 910,817,699,149.88
  5. Step 5: Solve for x
    x = 910,817,699,149.88/1,089,338.18
  6. Step 6: Final answer
    x = 836,120.24

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.