Home / 880,005.86-1,214,408.60-477,597.86

Finding the Fourth Proportional to 880,005.86, 1,214,408.60 and 477,597.86

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Solution

The fourth proportional to 880,005.86, 1,214,408.60 and 477,597.86 is: 659,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,005.86 : 1,214,408.60 = 477,597.86 : x
  2. Step 2: Convert to fraction form
    880,005.86/1,214,408.60 = 477,597.86/x
  3. Step 3: Cross multiply
    880,005.86x = 1,214,408.60 × 477,597.86
  4. Step 4: Simplify right side
    880,005.86x = 579,998,948,525.60
  5. Step 5: Solve for x
    x = 579,998,948,525.60/880,005.86
  6. Step 6: Final answer
    x = 659,085.33

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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.