Home / 784,685.88-1,083,191.94-530,381.52

Finding the Fourth Proportional to 784,685.88, 1,083,191.94 and 530,381.52

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Solution

The fourth proportional to 784,685.88, 1,083,191.94 and 530,381.52 is: 732,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,685.88 : 1,083,191.94 = 530,381.52 : x
  2. Step 2: Convert to fraction form
    784,685.88/1,083,191.94 = 530,381.52/x
  3. Step 3: Cross multiply
    784,685.88x = 1,083,191.94 × 530,381.52
  4. Step 4: Simplify right side
    784,685.88x = 574,504,987,588.95
  5. Step 5: Solve for x
    x = 574,504,987,588.95/784,685.88
  6. Step 6: Final answer
    x = 732,146.46

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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.