Home / 1,285,015.20-1,927,522.80-621,463.20

Finding the Fourth Proportional to 1,285,015.20, 1,927,522.80 and 621,463.20

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Solution

The fourth proportional to 1,285,015.20, 1,927,522.80 and 621,463.20 is: 932,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,015.20 : 1,927,522.80 = 621,463.20 : x
  2. Step 2: Convert to fraction form
    1,285,015.20/1,927,522.80 = 621,463.20/x
  3. Step 3: Cross multiply
    1,285,015.20x = 1,927,522.80 × 621,463.20
  4. Step 4: Simplify right side
    1,285,015.20x = 1,197,884,487,360.96
  5. Step 5: Solve for x
    x = 1,197,884,487,360.96/1,285,015.20
  6. Step 6: Final answer
    x = 932,194.80

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Similar ratio
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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.