Home / 906,117.63-1,356,219.06-666,168.09

Finding the Fourth Proportional to 906,117.63, 1,356,219.06 and 666,168.09

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Solution

The fourth proportional to 906,117.63, 1,356,219.06 and 666,168.09 is: 997,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,117.63 : 1,356,219.06 = 666,168.09 : x
  2. Step 2: Convert to fraction form
    906,117.63/1,356,219.06 = 666,168.09/x
  3. Step 3: Cross multiply
    906,117.63x = 1,356,219.06 × 666,168.09
  4. Step 4: Simplify right side
    906,117.63x = 903,469,860,821.80
  5. Step 5: Solve for x
    x = 903,469,860,821.80/906,117.63
  6. Step 6: Final answer
    x = 997,077.90

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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.