Home / 1,147,390.87-1,583,401.00-638,093.24

Finding the Fourth Proportional to 1,147,390.87, 1,583,401.00 and 638,093.24

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Solution

The fourth proportional to 1,147,390.87, 1,583,401.00 and 638,093.24 is: 880,569.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,390.87 : 1,583,401.00 = 638,093.24 : x
  2. Step 2: Convert to fraction form
    1,147,390.87/1,583,401.00 = 638,093.24/x
  3. Step 3: Cross multiply
    1,147,390.87x = 1,583,401.00 × 638,093.24
  4. Step 4: Simplify right side
    1,147,390.87x = 1,010,357,479,862.98
  5. Step 5: Solve for x
    x = 1,010,357,479,862.98/1,147,390.87
  6. Step 6: Final answer
    x = 880,569.57

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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.