Home / 1,147,400.65-1,583,414.49-638,103.03

Finding the Fourth Proportional to 1,147,400.65, 1,583,414.49 and 638,103.03

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Solution

The fourth proportional to 1,147,400.65, 1,583,414.49 and 638,103.03 is: 880,583.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,400.65 : 1,583,414.49 = 638,103.03 : x
  2. Step 2: Convert to fraction form
    1,147,400.65/1,583,414.49 = 638,103.03/x
  3. Step 3: Cross multiply
    1,147,400.65x = 1,583,414.49 × 638,103.03
  4. Step 4: Simplify right side
    1,147,400.65x = 1,010,381,583,814.90
  5. Step 5: Solve for x
    x = 1,010,381,583,814.90/1,147,400.65
  6. Step 6: Final answer
    x = 880,583.07

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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.