Home / 906,120.54-1,358,331.98-306,662.01

Finding the Fourth Proportional to 906,120.54, 1,358,331.98 and 306,662.01

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Solution

The fourth proportional to 906,120.54, 1,358,331.98 and 306,662.01 is: 459,705.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,120.54 : 1,358,331.98 = 306,662.01 : x
  2. Step 2: Convert to fraction form
    906,120.54/1,358,331.98 = 306,662.01/x
  3. Step 3: Cross multiply
    906,120.54x = 1,358,331.98 × 306,662.01
  4. Step 4: Simplify right side
    906,120.54x = 416,548,813,700.77
  5. Step 5: Solve for x
    x = 416,548,813,700.77/906,120.54
  6. Step 6: Final answer
    x = 459,705.74

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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.