Home / 1,223,573.80-1,836,016.80-513,673.60

Finding the Fourth Proportional to 1,223,573.80, 1,836,016.80 and 513,673.60

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Solution

The fourth proportional to 1,223,573.80, 1,836,016.80 and 513,673.60 is: 770,785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,573.80 : 1,836,016.80 = 513,673.60 : x
  2. Step 2: Convert to fraction form
    1,223,573.80/1,836,016.80 = 513,673.60/x
  3. Step 3: Cross multiply
    1,223,573.80x = 1,836,016.80 × 513,673.60
  4. Step 4: Simplify right side
    1,223,573.80x = 943,113,359,316.48
  5. Step 5: Solve for x
    x = 943,113,359,316.48/1,223,573.80
  6. Step 6: Final answer
    x = 770,785.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.