Home / 454,585.63-681,905.78-139,045.27

Finding the Fourth Proportional to 454,585.63, 681,905.78 and 139,045.27

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Solution

The fourth proportional to 454,585.63, 681,905.78 and 139,045.27 is: 208,576.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,585.63 : 681,905.78 = 139,045.27 : x
  2. Step 2: Convert to fraction form
    454,585.63/681,905.78 = 139,045.27/x
  3. Step 3: Cross multiply
    454,585.63x = 681,905.78 × 139,045.27
  4. Step 4: Simplify right side
    454,585.63x = 94,815,773,294.66
  5. Step 5: Solve for x
    x = 94,815,773,294.66/454,585.63
  6. Step 6: Final answer
    x = 208,576.27

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1.5x scale

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.