Home / 1,023,620.09-1,535,374.80-313,650.23

Finding the Fourth Proportional to 1,023,620.09, 1,535,374.80 and 313,650.23

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Solution

The fourth proportional to 1,023,620.09, 1,535,374.80 and 313,650.23 is: 470,458.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,620.09 : 1,535,374.80 = 313,650.23 : x
  2. Step 2: Convert to fraction form
    1,023,620.09/1,535,374.80 = 313,650.23/x
  3. Step 3: Cross multiply
    1,023,620.09x = 1,535,374.80 × 313,650.23
  4. Step 4: Simplify right side
    1,023,620.09x = 481,570,659,156.20
  5. Step 5: Solve for x
    x = 481,570,659,156.20/1,023,620.09
  6. Step 6: Final answer
    x = 470,458.39

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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.