Home / 1,661,422.60-2,492,133.63-399,250.23

Finding the Fourth Proportional to 1,661,422.60, 2,492,133.63 and 399,250.23

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Solution

The fourth proportional to 1,661,422.60, 2,492,133.63 and 399,250.23 is: 598,875.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,422.60 : 2,492,133.63 = 399,250.23 : x
  2. Step 2: Convert to fraction form
    1,661,422.60/2,492,133.63 = 399,250.23/x
  3. Step 3: Cross multiply
    1,661,422.60x = 2,492,133.63 × 399,250.23
  4. Step 4: Simplify right side
    1,661,422.60x = 994,984,914,125.55
  5. Step 5: Solve for x
    x = 994,984,914,125.55/1,661,422.60
  6. Step 6: Final answer
    x = 598,875.27

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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.