Home / 1,131,286.58-1,561,206.27-615,075.20

Finding the Fourth Proportional to 1,131,286.58, 1,561,206.27 and 615,075.20

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Solution

The fourth proportional to 1,131,286.58, 1,561,206.27 and 615,075.20 is: 848,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,286.58 : 1,561,206.27 = 615,075.20 : x
  2. Step 2: Convert to fraction form
    1,131,286.58/1,561,206.27 = 615,075.20/x
  3. Step 3: Cross multiply
    1,131,286.58x = 1,561,206.27 × 615,075.20
  4. Step 4: Simplify right side
    1,131,286.58x = 960,259,264,438.52
  5. Step 5: Solve for x
    x = 960,259,264,438.52/1,131,286.58
  6. Step 6: Final answer
    x = 848,820.52

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Double scale
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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.