Home / 885,933.60-1,329,091.92-286,955.04

Finding the Fourth Proportional to 885,933.60, 1,329,091.92 and 286,955.04

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Solution

The fourth proportional to 885,933.60, 1,329,091.92 and 286,955.04 is: 430,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,933.60 : 1,329,091.92 = 286,955.04 : x
  2. Step 2: Convert to fraction form
    885,933.60/1,329,091.92 = 286,955.04/x
  3. Step 3: Cross multiply
    885,933.60x = 1,329,091.92 × 286,955.04
  4. Step 4: Simplify right side
    885,933.60x = 381,389,625,067.28
  5. Step 5: Solve for x
    x = 381,389,625,067.28/885,933.60
  6. Step 6: Final answer
    x = 430,494.59

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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.