Home / 1,096,571.31-1,643,597.40-686,424.84

Finding the Fourth Proportional to 1,096,571.31, 1,643,597.40 and 686,424.84

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Solution

The fourth proportional to 1,096,571.31, 1,643,597.40 and 686,424.84 is: 1,028,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,571.31 : 1,643,597.40 = 686,424.84 : x
  2. Step 2: Convert to fraction form
    1,096,571.31/1,643,597.40 = 686,424.84/x
  3. Step 3: Cross multiply
    1,096,571.31x = 1,643,597.40 × 686,424.84
  4. Step 4: Simplify right side
    1,096,571.31x = 1,128,206,082,319.42
  5. Step 5: Solve for x
    x = 1,128,206,082,319.42/1,096,571.31
  6. Step 6: Final answer
    x = 1,028,848.81

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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.