Home / 1,131,506.19-1,561,480.41-615,259.60

Finding the Fourth Proportional to 1,131,506.19, 1,561,480.41 and 615,259.60

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Solution

The fourth proportional to 1,131,506.19, 1,561,480.41 and 615,259.60 is: 849,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,506.19 : 1,561,480.41 = 615,259.60 : x
  2. Step 2: Convert to fraction form
    1,131,506.19/1,561,480.41 = 615,259.60/x
  3. Step 3: Cross multiply
    1,131,506.19x = 1,561,480.41 × 615,259.60
  4. Step 4: Simplify right side
    1,131,506.19x = 960,715,809,137.54
  5. Step 5: Solve for x
    x = 960,715,809,137.54/1,131,506.19
  6. Step 6: Final answer
    x = 849,059.26

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Double scale
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Similar ratio
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1.5x scale

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.