Home / 930,136.80-1,395,334.80-397,653.60

Finding the Fourth Proportional to 930,136.80, 1,395,334.80 and 397,653.60

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Solution

The fourth proportional to 930,136.80, 1,395,334.80 and 397,653.60 is: 596,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,136.80 : 1,395,334.80 = 397,653.60 : x
  2. Step 2: Convert to fraction form
    930,136.80/1,395,334.80 = 397,653.60/x
  3. Step 3: Cross multiply
    930,136.80x = 1,395,334.80 × 397,653.60
  4. Step 4: Simplify right side
    930,136.80x = 554,859,906,425.28
  5. Step 5: Solve for x
    x = 554,859,906,425.28/930,136.80
  6. Step 6: Final answer
    x = 596,535.81

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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.