Home / 454,033.60-681,439.20-201,702.40

Finding the Fourth Proportional to 454,033.60, 681,439.20 and 201,702.40

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Solution

The fourth proportional to 454,033.60, 681,439.20 and 201,702.40 is: 302,726.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,033.60 : 681,439.20 = 201,702.40 : x
  2. Step 2: Convert to fraction form
    454,033.60/681,439.20 = 201,702.40/x
  3. Step 3: Cross multiply
    454,033.60x = 681,439.20 × 201,702.40
  4. Step 4: Simplify right side
    454,033.60x = 137,447,922,094.08
  5. Step 5: Solve for x
    x = 137,447,922,094.08/454,033.60
  6. Step 6: Final answer
    x = 302,726.32

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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.