Home / 905,612.99-1,248,429.07-632,834.29

Finding the Fourth Proportional to 905,612.99, 1,248,429.07 and 632,834.29

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Solution

The fourth proportional to 905,612.99, 1,248,429.07 and 632,834.29 is: 872,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,612.99 : 1,248,429.07 = 632,834.29 : x
  2. Step 2: Convert to fraction form
    905,612.99/1,248,429.07 = 632,834.29/x
  3. Step 3: Cross multiply
    905,612.99x = 1,248,429.07 × 632,834.29
  4. Step 4: Simplify right side
    905,612.99x = 790,048,719,457.98
  5. Step 5: Solve for x
    x = 790,048,719,457.98/905,612.99
  6. Step 6: Final answer
    x = 872,391.11

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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.