Home / 1,221,999.20-1,832,561.36-423,066.20

Finding the Fourth Proportional to 1,221,999.20, 1,832,561.36 and 423,066.20

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Solution

The fourth proportional to 1,221,999.20, 1,832,561.36 and 423,066.20 is: 634,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,999.20 : 1,832,561.36 = 423,066.20 : x
  2. Step 2: Convert to fraction form
    1,221,999.20/1,832,561.36 = 423,066.20/x
  3. Step 3: Cross multiply
    1,221,999.20x = 1,832,561.36 × 423,066.20
  4. Step 4: Simplify right side
    1,221,999.20x = 775,294,770,842.03
  5. Step 5: Solve for x
    x = 775,294,770,842.03/1,221,999.20
  6. Step 6: Final answer
    x = 634,447.85

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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.