Home / 1,048,685.79-1,447,144.71-619,104.30

Finding the Fourth Proportional to 1,048,685.79, 1,447,144.71 and 619,104.30

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Solution

The fourth proportional to 1,048,685.79, 1,447,144.71 and 619,104.30 is: 854,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,685.79 : 1,447,144.71 = 619,104.30 : x
  2. Step 2: Convert to fraction form
    1,048,685.79/1,447,144.71 = 619,104.30/x
  3. Step 3: Cross multiply
    1,048,685.79x = 1,447,144.71 × 619,104.30
  4. Step 4: Simplify right side
    1,048,685.79x = 895,933,512,683.25
  5. Step 5: Solve for x
    x = 895,933,512,683.25/1,048,685.79
  6. Step 6: Final answer
    x = 854,339.33

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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.