Home / 1,205,103.96-1,807,648.11-306,538.02

Finding the Fourth Proportional to 1,205,103.96, 1,807,648.11 and 306,538.02

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Solution

The fourth proportional to 1,205,103.96, 1,807,648.11 and 306,538.02 is: 459,805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,103.96 : 1,807,648.11 = 306,538.02 : x
  2. Step 2: Convert to fraction form
    1,205,103.96/1,807,648.11 = 306,538.02/x
  3. Step 3: Cross multiply
    1,205,103.96x = 1,807,648.11 × 306,538.02
  4. Step 4: Simplify right side
    1,205,103.96x = 554,112,872,496.14
  5. Step 5: Solve for x
    x = 554,112,872,496.14/1,205,103.96
  6. Step 6: Final answer
    x = 459,805.04

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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.