Home / 1,091,266.11-1,636,899.37-333,111.78

Finding the Fourth Proportional to 1,091,266.11, 1,636,899.37 and 333,111.78

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Solution

The fourth proportional to 1,091,266.11, 1,636,899.37 and 333,111.78 is: 499,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,266.11 : 1,636,899.37 = 333,111.78 : x
  2. Step 2: Convert to fraction form
    1,091,266.11/1,636,899.37 = 333,111.78/x
  3. Step 3: Cross multiply
    1,091,266.11x = 1,636,899.37 × 333,111.78
  4. Step 4: Simplify right side
    1,091,266.11x = 545,270,461,988.80
  5. Step 5: Solve for x
    x = 545,270,461,988.80/1,091,266.11
  6. Step 6: Final answer
    x = 499,667.73

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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.