Home / 1,516,119.72-2,092,428.70-862,904.57

Finding the Fourth Proportional to 1,516,119.72, 2,092,428.70 and 862,904.57

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Solution

The fourth proportional to 1,516,119.72, 2,092,428.70 and 862,904.57 is: 1,190,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,119.72 : 2,092,428.70 = 862,904.57 : x
  2. Step 2: Convert to fraction form
    1,516,119.72/2,092,428.70 = 862,904.57/x
  3. Step 3: Cross multiply
    1,516,119.72x = 2,092,428.70 × 862,904.57
  4. Step 4: Simplify right side
    1,516,119.72x = 1,805,566,287,629.16
  5. Step 5: Solve for x
    x = 1,805,566,287,629.16/1,516,119.72
  6. Step 6: Final answer
    x = 1,190,912.74

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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.