Home / 1,191,030.09-1,786,821.48-392,282.97

Finding the Fourth Proportional to 1,191,030.09, 1,786,821.48 and 392,282.97

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Solution

The fourth proportional to 1,191,030.09, 1,786,821.48 and 392,282.97 is: 588,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,030.09 : 1,786,821.48 = 392,282.97 : x
  2. Step 2: Convert to fraction form
    1,191,030.09/1,786,821.48 = 392,282.97/x
  3. Step 3: Cross multiply
    1,191,030.09x = 1,786,821.48 × 392,282.97
  4. Step 4: Simplify right side
    1,191,030.09x = 700,939,637,034.20
  5. Step 5: Solve for x
    x = 700,939,637,034.20/1,191,030.09
  6. Step 6: Final answer
    x = 588,515.47

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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.