Home / 1,640,980.85-2,461,857.91-561,505.15

Finding the Fourth Proportional to 1,640,980.85, 2,461,857.91 and 561,505.15

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Solution

The fourth proportional to 1,640,980.85, 2,461,857.91 and 561,505.15 is: 842,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,980.85 : 2,461,857.91 = 561,505.15 : x
  2. Step 2: Convert to fraction form
    1,640,980.85/2,461,857.91 = 561,505.15/x
  3. Step 3: Cross multiply
    1,640,980.85x = 2,461,857.91 × 561,505.15
  4. Step 4: Simplify right side
    1,640,980.85x = 1,382,345,896,706.80
  5. Step 5: Solve for x
    x = 1,382,345,896,706.80/1,640,980.85
  6. Step 6: Final answer
    x = 842,390.03

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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.