Home / 868,074.36-1,197,942.45-480,914.94

Finding the Fourth Proportional to 868,074.36, 1,197,942.45 and 480,914.94

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Solution

The fourth proportional to 868,074.36, 1,197,942.45 and 480,914.94 is: 663,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,074.36 : 1,197,942.45 = 480,914.94 : x
  2. Step 2: Convert to fraction form
    868,074.36/1,197,942.45 = 480,914.94/x
  3. Step 3: Cross multiply
    868,074.36x = 1,197,942.45 × 480,914.94
  4. Step 4: Simplify right side
    868,074.36x = 576,108,421,465.20
  5. Step 5: Solve for x
    x = 576,108,421,465.20/868,074.36
  6. Step 6: Final answer
    x = 663,662.52

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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.