Home / 1,620,119.23-2,430,170.05-660,571.10

Finding the Fourth Proportional to 1,620,119.23, 2,430,170.05 and 660,571.10

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Solution

The fourth proportional to 1,620,119.23, 2,430,170.05 and 660,571.10 is: 990,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,119.23 : 2,430,170.05 = 660,571.10 : x
  2. Step 2: Convert to fraction form
    1,620,119.23/2,430,170.05 = 660,571.10/x
  3. Step 3: Cross multiply
    1,620,119.23x = 2,430,170.05 × 660,571.10
  4. Step 4: Simplify right side
    1,620,119.23x = 1,605,300,090,964.70
  5. Step 5: Solve for x
    x = 1,605,300,090,964.70/1,620,119.23
  6. Step 6: Final answer
    x = 990,853.06

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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.