Home / 1,946,412.80-2,919,619.20-616,716.80

Finding the Fourth Proportional to 1,946,412.80, 2,919,619.20 and 616,716.80

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Solution

The fourth proportional to 1,946,412.80, 2,919,619.20 and 616,716.80 is: 925,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,412.80 : 2,919,619.20 = 616,716.80 : x
  2. Step 2: Convert to fraction form
    1,946,412.80/2,919,619.20 = 616,716.80/x
  3. Step 3: Cross multiply
    1,946,412.80x = 2,919,619.20 × 616,716.80
  4. Step 4: Simplify right side
    1,946,412.80x = 1,800,578,210,242.56
  5. Step 5: Solve for x
    x = 1,800,578,210,242.56/1,946,412.80
  6. Step 6: Final answer
    x = 925,075.20

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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.