Home / 1,353,904.68-1,869,237.96-871,308.48

Finding the Fourth Proportional to 1,353,904.68, 1,869,237.96 and 871,308.48

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Solution

The fourth proportional to 1,353,904.68, 1,869,237.96 and 871,308.48 is: 1,202,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,904.68 : 1,869,237.96 = 871,308.48 : x
  2. Step 2: Convert to fraction form
    1,353,904.68/1,869,237.96 = 871,308.48/x
  3. Step 3: Cross multiply
    1,353,904.68x = 1,869,237.96 × 871,308.48
  4. Step 4: Simplify right side
    1,353,904.68x = 1,628,682,885,685.90
  5. Step 5: Solve for x
    x = 1,628,682,885,685.90/1,353,904.68
  6. Step 6: Final answer
    x = 1,202,952.40

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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.