Home / 460,849.91-635,661.68-400,315.10

Finding the Fourth Proportional to 460,849.91, 635,661.68 and 400,315.10

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Solution

The fourth proportional to 460,849.91, 635,661.68 and 400,315.10 is: 552,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,849.91 : 635,661.68 = 400,315.10 : x
  2. Step 2: Convert to fraction form
    460,849.91/635,661.68 = 400,315.10/x
  3. Step 3: Cross multiply
    460,849.91x = 635,661.68 × 400,315.10
  4. Step 4: Simplify right side
    460,849.91x = 254,464,963,815.48
  5. Step 5: Solve for x
    x = 254,464,963,815.48/460,849.91
  6. Step 6: Final answer
    x = 552,164.51

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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.