Home / 1,638,257.65-2,260,806.05-913,151.35

Finding the Fourth Proportional to 1,638,257.65, 2,260,806.05 and 913,151.35

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Solution

The fourth proportional to 1,638,257.65, 2,260,806.05 and 913,151.35 is: 1,260,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,257.65 : 2,260,806.05 = 913,151.35 : x
  2. Step 2: Convert to fraction form
    1,638,257.65/2,260,806.05 = 913,151.35/x
  3. Step 3: Cross multiply
    1,638,257.65x = 2,260,806.05 × 913,151.35
  4. Step 4: Simplify right side
    1,638,257.65x = 2,064,458,096,645.67
  5. Step 5: Solve for x
    x = 2,064,458,096,645.67/1,638,257.65
  6. Step 6: Final answer
    x = 1,260,154.71

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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.