Home / 864,193.66-1,192,409.21-496,599.80

Finding the Fourth Proportional to 864,193.66, 1,192,409.21 and 496,599.80

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Solution

The fourth proportional to 864,193.66, 1,192,409.21 and 496,599.80 is: 685,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,193.66 : 1,192,409.21 = 496,599.80 : x
  2. Step 2: Convert to fraction form
    864,193.66/1,192,409.21 = 496,599.80/x
  3. Step 3: Cross multiply
    864,193.66x = 1,192,409.21 × 496,599.80
  4. Step 4: Simplify right side
    864,193.66x = 592,150,170,483.61
  5. Step 5: Solve for x
    x = 592,150,170,483.61/864,193.66
  6. Step 6: Final answer
    x = 685,205.41

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1.5x scale

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.