Home / 1,035,583.20-1,428,368.64-691,245.54

Finding the Fourth Proportional to 1,035,583.20, 1,428,368.64 and 691,245.54

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Solution

The fourth proportional to 1,035,583.20, 1,428,368.64 and 691,245.54 is: 953,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,583.20 : 1,428,368.64 = 691,245.54 : x
  2. Step 2: Convert to fraction form
    1,035,583.20/1,428,368.64 = 691,245.54/x
  3. Step 3: Cross multiply
    1,035,583.20x = 1,428,368.64 × 691,245.54
  4. Step 4: Simplify right side
    1,035,583.20x = 987,353,451,875.87
  5. Step 5: Solve for x
    x = 987,353,451,875.87/1,035,583.20
  6. Step 6: Final answer
    x = 953,427.45

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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.