Home / 1,291,085.49-1,936,624.98-392,523.33

Finding the Fourth Proportional to 1,291,085.49, 1,936,624.98 and 392,523.33

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Solution

The fourth proportional to 1,291,085.49, 1,936,624.98 and 392,523.33 is: 588,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,085.49 : 1,936,624.98 = 392,523.33 : x
  2. Step 2: Convert to fraction form
    1,291,085.49/1,936,624.98 = 392,523.33/x
  3. Step 3: Cross multiply
    1,291,085.49x = 1,936,624.98 × 392,523.33
  4. Step 4: Simplify right side
    1,291,085.49x = 760,170,486,110.78
  5. Step 5: Solve for x
    x = 760,170,486,110.78/1,291,085.49
  6. Step 6: Final answer
    x = 588,784.01

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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.