Home / 1,384,431.95-2,074,412.33-783,606.35

Finding the Fourth Proportional to 1,384,431.95, 2,074,412.33 and 783,606.35

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Solution

The fourth proportional to 1,384,431.95, 2,074,412.33 and 783,606.35 is: 1,174,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,431.95 : 2,074,412.33 = 783,606.35 : x
  2. Step 2: Convert to fraction form
    1,384,431.95/2,074,412.33 = 783,606.35/x
  3. Step 3: Cross multiply
    1,384,431.95x = 2,074,412.33 × 783,606.35
  4. Step 4: Simplify right side
    1,384,431.95x = 1,625,522,670,388.26
  5. Step 5: Solve for x
    x = 1,625,522,670,388.26/1,384,431.95
  6. Step 6: Final answer
    x = 1,174,144.15

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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.