Home / 773,777.07-1,160,136.16-393,962.80

Finding the Fourth Proportional to 773,777.07, 1,160,136.16 and 393,962.80

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Solution

The fourth proportional to 773,777.07, 1,160,136.16 and 393,962.80 is: 590,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,777.07 : 1,160,136.16 = 393,962.80 : x
  2. Step 2: Convert to fraction form
    773,777.07/1,160,136.16 = 393,962.80/x
  3. Step 3: Cross multiply
    773,777.07x = 1,160,136.16 × 393,962.80
  4. Step 4: Simplify right side
    773,777.07x = 457,050,489,974.85
  5. Step 5: Solve for x
    x = 457,050,489,974.85/773,777.07
  6. Step 6: Final answer
    x = 590,674.64

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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.