Home / 1,035,596.25-1,428,386.58-691,258.57

Finding the Fourth Proportional to 1,035,596.25, 1,428,386.58 and 691,258.57

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Solution

The fourth proportional to 1,035,596.25, 1,428,386.58 and 691,258.57 is: 953,445.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,596.25 : 1,428,386.58 = 691,258.57 : x
  2. Step 2: Convert to fraction form
    1,035,596.25/1,428,386.58 = 691,258.57/x
  3. Step 3: Cross multiply
    1,035,596.25x = 1,428,386.58 × 691,258.57
  4. Step 4: Simplify right side
    1,035,596.25x = 987,384,464,697.99
  5. Step 5: Solve for x
    x = 987,384,464,697.99/1,035,596.25
  6. Step 6: Final answer
    x = 953,445.38

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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.