Home / 860,232.48-1,289,542.71-291,215.58

Finding the Fourth Proportional to 860,232.48, 1,289,542.71 and 291,215.58

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Solution

The fourth proportional to 860,232.48, 1,289,542.71 and 291,215.58 is: 436,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,232.48 : 1,289,542.71 = 291,215.58 : x
  2. Step 2: Convert to fraction form
    860,232.48/1,289,542.71 = 291,215.58/x
  3. Step 3: Cross multiply
    860,232.48x = 1,289,542.71 × 291,215.58
  4. Step 4: Simplify right side
    860,232.48x = 375,534,928,227.42
  5. Step 5: Solve for x
    x = 375,534,928,227.42/860,232.48
  6. Step 6: Final answer
    x = 436,550.51

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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.