Home / 1,050,220.80-1,573,257.60-628,243.20

Finding the Fourth Proportional to 1,050,220.80, 1,573,257.60 and 628,243.20

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Solution

The fourth proportional to 1,050,220.80, 1,573,257.60 and 628,243.20 is: 941,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,220.80 : 1,573,257.60 = 628,243.20 : x
  2. Step 2: Convert to fraction form
    1,050,220.80/1,573,257.60 = 628,243.20/x
  3. Step 3: Cross multiply
    1,050,220.80x = 1,573,257.60 × 628,243.20
  4. Step 4: Simplify right side
    1,050,220.80x = 988,388,389,048.32
  5. Step 5: Solve for x
    x = 988,388,389,048.32/1,050,220.80
  6. Step 6: Final answer
    x = 941,124.37

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1.5x scale

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.