Home / 1,048,682.79-1,447,140.57-619,101.32

Finding the Fourth Proportional to 1,048,682.79, 1,447,140.57 and 619,101.32

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Solution

The fourth proportional to 1,048,682.79, 1,447,140.57 and 619,101.32 is: 854,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,682.79 : 1,447,140.57 = 619,101.32 : x
  2. Step 2: Convert to fraction form
    1,048,682.79/1,447,140.57 = 619,101.32/x
  3. Step 3: Cross multiply
    1,048,682.79x = 1,447,140.57 × 619,101.32
  4. Step 4: Simplify right side
    1,048,682.79x = 895,926,629,876.85
  5. Step 5: Solve for x
    x = 895,926,629,876.85/1,048,682.79
  6. Step 6: Final answer
    x = 854,335.21

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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.