Home / 1,105,305.06-1,525,310.22-615,266.80

Finding the Fourth Proportional to 1,105,305.06, 1,525,310.22 and 615,266.80

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Solution

The fourth proportional to 1,105,305.06, 1,525,310.22 and 615,266.80 is: 849,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,305.06 : 1,525,310.22 = 615,266.80 : x
  2. Step 2: Convert to fraction form
    1,105,305.06/1,525,310.22 = 615,266.80/x
  3. Step 3: Cross multiply
    1,105,305.06x = 1,525,310.22 × 615,266.80
  4. Step 4: Simplify right side
    1,105,305.06x = 938,472,739,949.23
  5. Step 5: Solve for x
    x = 938,472,739,949.23/1,105,305.06
  6. Step 6: Final answer
    x = 849,062.20

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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.