Home / 1,284,748.94-1,927,124.94-386,190.74

Finding the Fourth Proportional to 1,284,748.94, 1,927,124.94 and 386,190.74

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Solution

The fourth proportional to 1,284,748.94, 1,927,124.94 and 386,190.74 is: 579,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,748.94 : 1,927,124.94 = 386,190.74 : x
  2. Step 2: Convert to fraction form
    1,284,748.94/1,927,124.94 = 386,190.74/x
  3. Step 3: Cross multiply
    1,284,748.94x = 1,927,124.94 × 386,190.74
  4. Step 4: Simplify right side
    1,284,748.94x = 744,237,806,651.06
  5. Step 5: Solve for x
    x = 744,237,806,651.06/1,284,748.94
  6. Step 6: Final answer
    x = 579,286.57

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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.