Home / 880,905.10-1,321,444.86-281,715.70

Finding the Fourth Proportional to 880,905.10, 1,321,444.86 and 281,715.70

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Solution

The fourth proportional to 880,905.10, 1,321,444.86 and 281,715.70 is: 422,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,905.10 : 1,321,444.86 = 281,715.70 : x
  2. Step 2: Convert to fraction form
    880,905.10/1,321,444.86 = 281,715.70/x
  3. Step 3: Cross multiply
    880,905.10x = 1,321,444.86 × 281,715.70
  4. Step 4: Simplify right side
    880,905.10x = 372,271,763,746.30
  5. Step 5: Solve for x
    x = 372,271,763,746.30/880,905.10
  6. Step 6: Final answer
    x = 422,601.44

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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.