Home / 1,048,685.29-1,447,144.02-619,103.80

Finding the Fourth Proportional to 1,048,685.29, 1,447,144.02 and 619,103.80

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Solution

The fourth proportional to 1,048,685.29, 1,447,144.02 and 619,103.80 is: 854,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,685.29 : 1,447,144.02 = 619,103.80 : x
  2. Step 2: Convert to fraction form
    1,048,685.29/1,447,144.02 = 619,103.80/x
  3. Step 3: Cross multiply
    1,048,685.29x = 1,447,144.02 × 619,103.80
  4. Step 4: Simplify right side
    1,048,685.29x = 895,932,361,929.28
  5. Step 5: Solve for x
    x = 895,932,361,929.28/1,048,685.29
  6. Step 6: Final answer
    x = 854,338.64

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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.