Home / 1,938,057-2,906,863.68-518,223.80

Finding the Fourth Proportional to 1,938,057, 2,906,863.68 and 518,223.80

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Solution

The fourth proportional to 1,938,057, 2,906,863.68 and 518,223.80 is: 777,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,057 : 2,906,863.68 = 518,223.80 : x
  2. Step 2: Convert to fraction form
    1,938,057/2,906,863.68 = 518,223.80/x
  3. Step 3: Cross multiply
    1,938,057x = 2,906,863.68 × 518,223.80
  4. Step 4: Simplify right side
    1,938,057x = 1,506,405,929,092.83
  5. Step 5: Solve for x
    x = 1,506,405,929,092.83/1,938,057
  6. Step 6: Final answer
    x = 777,276.38

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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.