Home / 823,056.12-1,136,205.78-619,184.86

Finding the Fourth Proportional to 823,056.12, 1,136,205.78 and 619,184.86

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Solution

The fourth proportional to 823,056.12, 1,136,205.78 and 619,184.86 is: 854,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,056.12 : 1,136,205.78 = 619,184.86 : x
  2. Step 2: Convert to fraction form
    823,056.12/1,136,205.78 = 619,184.86/x
  3. Step 3: Cross multiply
    823,056.12x = 1,136,205.78 × 619,184.86
  4. Step 4: Simplify right side
    823,056.12x = 703,521,416,820.49
  5. Step 5: Solve for x
    x = 703,521,416,820.49/823,056.12
  6. Step 6: Final answer
    x = 854,767.25

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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.