Home / 454,584.63-681,904.28-139,044.27

Finding the Fourth Proportional to 454,584.63, 681,904.28 and 139,044.27

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Solution

The fourth proportional to 454,584.63, 681,904.28 and 139,044.27 is: 208,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,584.63 : 681,904.28 = 139,044.27 : x
  2. Step 2: Convert to fraction form
    454,584.63/681,904.28 = 139,044.27/x
  3. Step 3: Cross multiply
    454,584.63x = 681,904.28 × 139,044.27
  4. Step 4: Simplify right side
    454,584.63x = 94,814,882,822.48
  5. Step 5: Solve for x
    x = 94,814,882,822.48/454,584.63
  6. Step 6: Final answer
    x = 208,574.77

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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.