Home / 1,035,577.32-1,428,360.56-691,239.64

Finding the Fourth Proportional to 1,035,577.32, 1,428,360.56 and 691,239.64

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Solution

The fourth proportional to 1,035,577.32, 1,428,360.56 and 691,239.64 is: 953,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,577.32 : 1,428,360.56 = 691,239.64 : x
  2. Step 2: Convert to fraction form
    1,035,577.32/1,428,360.56 = 691,239.64/x
  3. Step 3: Cross multiply
    1,035,577.32x = 1,428,360.56 × 691,239.64
  4. Step 4: Simplify right side
    1,035,577.32x = 987,339,439,284.60
  5. Step 5: Solve for x
    x = 987,339,439,284.60/1,035,577.32
  6. Step 6: Final answer
    x = 953,419.33

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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.