Home / 709,553.80-1,065,108.30-443,614.60

Finding the Fourth Proportional to 709,553.80, 1,065,108.30 and 443,614.60

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Solution

The fourth proportional to 709,553.80, 1,065,108.30 and 443,614.60 is: 665,908.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,553.80 : 1,065,108.30 = 443,614.60 : x
  2. Step 2: Convert to fraction form
    709,553.80/1,065,108.30 = 443,614.60/x
  3. Step 3: Cross multiply
    709,553.80x = 1,065,108.30 × 443,614.60
  4. Step 4: Simplify right side
    709,553.80x = 472,497,592,461.18
  5. Step 5: Solve for x
    x = 472,497,592,461.18/709,553.80
  6. Step 6: Final answer
    x = 665,908.06

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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.