Home / 1,265,028.92-1,897,541.90-412,099.20

Finding the Fourth Proportional to 1,265,028.92, 1,897,541.90 and 412,099.20

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Solution

The fourth proportional to 1,265,028.92, 1,897,541.90 and 412,099.20 is: 618,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,028.92 : 1,897,541.90 = 412,099.20 : x
  2. Step 2: Convert to fraction form
    1,265,028.92/1,897,541.90 = 412,099.20/x
  3. Step 3: Cross multiply
    1,265,028.92x = 1,897,541.90 × 412,099.20
  4. Step 4: Simplify right side
    1,265,028.92x = 781,975,502,619.16
  5. Step 5: Solve for x
    x = 781,975,502,619.16/1,265,028.92
  6. Step 6: Final answer
    x = 618,148.32

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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.