Home / 918,200.88-1,266,972.44-530,872.25

Finding the Fourth Proportional to 918,200.88, 1,266,972.44 and 530,872.25

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Solution

The fourth proportional to 918,200.88, 1,266,972.44 and 530,872.25 is: 732,519.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,200.88 : 1,266,972.44 = 530,872.25 : x
  2. Step 2: Convert to fraction form
    918,200.88/1,266,972.44 = 530,872.25/x
  3. Step 3: Cross multiply
    918,200.88x = 1,266,972.44 × 530,872.25
  4. Step 4: Simplify right side
    918,200.88x = 672,600,500,921.57
  5. Step 5: Solve for x
    x = 672,600,500,921.57/918,200.88
  6. Step 6: Final answer
    x = 732,519.99

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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.