Home / 859,379.86-1,185,922.92-477,407.58

Finding the Fourth Proportional to 859,379.86, 1,185,922.92 and 477,407.58

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Solution

The fourth proportional to 859,379.86, 1,185,922.92 and 477,407.58 is: 658,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,379.86 : 1,185,922.92 = 477,407.58 : x
  2. Step 2: Convert to fraction form
    859,379.86/1,185,922.92 = 477,407.58/x
  3. Step 3: Cross multiply
    859,379.86x = 1,185,922.92 × 477,407.58
  4. Step 4: Simplify right side
    859,379.86x = 566,168,591,303.73
  5. Step 5: Solve for x
    x = 566,168,591,303.73/859,379.86
  6. Step 6: Final answer
    x = 658,810.64

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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.