Home / 1,236,199.84-1,705,760.92-720,038.68

Finding the Fourth Proportional to 1,236,199.84, 1,705,760.92 and 720,038.68

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Solution

The fourth proportional to 1,236,199.84, 1,705,760.92 and 720,038.68 is: 993,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,199.84 : 1,705,760.92 = 720,038.68 : x
  2. Step 2: Convert to fraction form
    1,236,199.84/1,705,760.92 = 720,038.68/x
  3. Step 3: Cross multiply
    1,236,199.84x = 1,705,760.92 × 720,038.68
  4. Step 4: Simplify right side
    1,236,199.84x = 1,228,213,841,232.39
  5. Step 5: Solve for x
    x = 1,228,213,841,232.39/1,236,199.84
  6. Step 6: Final answer
    x = 993,539.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.