Home / 1,315,354.16-1,973,099.20-416,891.36

Finding the Fourth Proportional to 1,315,354.16, 1,973,099.20 and 416,891.36

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Solution

The fourth proportional to 1,315,354.16, 1,973,099.20 and 416,891.36 is: 625,358.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,354.16 : 1,973,099.20 = 416,891.36 : x
  2. Step 2: Convert to fraction form
    1,315,354.16/1,973,099.20 = 416,891.36/x
  3. Step 3: Cross multiply
    1,315,354.16x = 1,973,099.20 × 416,891.36
  4. Step 4: Simplify right side
    1,315,354.16x = 822,568,008,902.91
  5. Step 5: Solve for x
    x = 822,568,008,902.91/1,315,354.16
  6. Step 6: Final answer
    x = 625,358.58

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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.