Home / 899,059.80-1,348,395.30-393,619.80

Finding the Fourth Proportional to 899,059.80, 1,348,395.30 and 393,619.80

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Solution

The fourth proportional to 899,059.80, 1,348,395.30 and 393,619.80 is: 590,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,059.80 : 1,348,395.30 = 393,619.80 : x
  2. Step 2: Convert to fraction form
    899,059.80/1,348,395.30 = 393,619.80/x
  3. Step 3: Cross multiply
    899,059.80x = 1,348,395.30 × 393,619.80
  4. Step 4: Simplify right side
    899,059.80x = 530,755,088,306.94
  5. Step 5: Solve for x
    x = 530,755,088,306.94/899,059.80
  6. Step 6: Final answer
    x = 590,344.59

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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.