Home / 1,089,778.34-1,503,901.60-606,363.86

Finding the Fourth Proportional to 1,089,778.34, 1,503,901.60 and 606,363.86

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Solution

The fourth proportional to 1,089,778.34, 1,503,901.60 and 606,363.86 is: 836,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,778.34 : 1,503,901.60 = 606,363.86 : x
  2. Step 2: Convert to fraction form
    1,089,778.34/1,503,901.60 = 606,363.86/x
  3. Step 3: Cross multiply
    1,089,778.34x = 1,503,901.60 × 606,363.86
  4. Step 4: Simplify right side
    1,089,778.34x = 911,911,579,236.18
  5. Step 5: Solve for x
    x = 911,911,579,236.18/1,089,778.34
  6. Step 6: Final answer
    x = 836,786.29

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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.