Home / 1,081,926.21-1,492,928.07-623,189.97

Finding the Fourth Proportional to 1,081,926.21, 1,492,928.07 and 623,189.97

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Solution

The fourth proportional to 1,081,926.21, 1,492,928.07 and 623,189.97 is: 859,927.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,926.21 : 1,492,928.07 = 623,189.97 : x
  2. Step 2: Convert to fraction form
    1,081,926.21/1,492,928.07 = 623,189.97/x
  3. Step 3: Cross multiply
    1,081,926.21x = 1,492,928.07 × 623,189.97
  4. Step 4: Simplify right side
    1,081,926.21x = 930,377,799,155.46
  5. Step 5: Solve for x
    x = 930,377,799,155.46/1,081,926.21
  6. Step 6: Final answer
    x = 859,927.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.