Home / 1,068,933.40-1,603,400.10-320,882.20

Finding the Fourth Proportional to 1,068,933.40, 1,603,400.10 and 320,882.20

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Solution

The fourth proportional to 1,068,933.40, 1,603,400.10 and 320,882.20 is: 481,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,933.40 : 1,603,400.10 = 320,882.20 : x
  2. Step 2: Convert to fraction form
    1,068,933.40/1,603,400.10 = 320,882.20/x
  3. Step 3: Cross multiply
    1,068,933.40x = 1,603,400.10 × 320,882.20
  4. Step 4: Simplify right side
    1,068,933.40x = 514,502,551,568.22
  5. Step 5: Solve for x
    x = 514,502,551,568.22/1,068,933.40
  6. Step 6: Final answer
    x = 481,323.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.