Home / 781,606.80-1,172,410.20-529,664.40

Finding the Fourth Proportional to 781,606.80, 1,172,410.20 and 529,664.40

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Solution

The fourth proportional to 781,606.80, 1,172,410.20 and 529,664.40 is: 794,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,606.80 : 1,172,410.20 = 529,664.40 : x
  2. Step 2: Convert to fraction form
    781,606.80/1,172,410.20 = 529,664.40/x
  3. Step 3: Cross multiply
    781,606.80x = 1,172,410.20 × 529,664.40
  4. Step 4: Simplify right side
    781,606.80x = 620,983,945,136.88
  5. Step 5: Solve for x
    x = 620,983,945,136.88/781,606.80
  6. Step 6: Final answer
    x = 794,496.60

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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.