Home / 1,022,255.10-1,410,721.66-563,386.20

Finding the Fourth Proportional to 1,022,255.10, 1,410,721.66 and 563,386.20

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Solution

The fourth proportional to 1,022,255.10, 1,410,721.66 and 563,386.20 is: 777,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,255.10 : 1,410,721.66 = 563,386.20 : x
  2. Step 2: Convert to fraction form
    1,022,255.10/1,410,721.66 = 563,386.20/x
  3. Step 3: Cross multiply
    1,022,255.10x = 1,410,721.66 × 563,386.20
  4. Step 4: Simplify right side
    1,022,255.10x = 794,781,115,285.09
  5. Step 5: Solve for x
    x = 794,781,115,285.09/1,022,255.10
  6. Step 6: Final answer
    x = 777,478.26

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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.