Home / 1,456,197.36-2,009,621.13-811,622.16

Finding the Fourth Proportional to 1,456,197.36, 2,009,621.13 and 811,622.16

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Solution

The fourth proportional to 1,456,197.36, 2,009,621.13 and 811,622.16 is: 1,120,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,197.36 : 2,009,621.13 = 811,622.16 : x
  2. Step 2: Convert to fraction form
    1,456,197.36/2,009,621.13 = 811,622.16/x
  3. Step 3: Cross multiply
    1,456,197.36x = 2,009,621.13 × 811,622.16
  4. Step 4: Simplify right side
    1,456,197.36x = 1,631,053,042,312.24
  5. Step 5: Solve for x
    x = 1,631,053,042,312.24/1,456,197.36
  6. Step 6: Final answer
    x = 1,120,076.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.