Home / 1,203,219.15-1,804,882.86-393,649.71

Finding the Fourth Proportional to 1,203,219.15, 1,804,882.86 and 393,649.71

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Solution

The fourth proportional to 1,203,219.15, 1,804,882.86 and 393,649.71 is: 590,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,219.15 : 1,804,882.86 = 393,649.71 : x
  2. Step 2: Convert to fraction form
    1,203,219.15/1,804,882.86 = 393,649.71/x
  3. Step 3: Cross multiply
    1,203,219.15x = 1,804,882.86 × 393,649.71
  4. Step 4: Simplify right side
    1,203,219.15x = 710,491,614,422.97
  5. Step 5: Solve for x
    x = 710,491,614,422.97/1,203,219.15
  6. Step 6: Final answer
    x = 590,492.28

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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.