Home / 2,778,997.60-4,168,496.40-885,930.40

Finding the Fourth Proportional to 2,778,997.60, 4,168,496.40 and 885,930.40

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Solution

The fourth proportional to 2,778,997.60, 4,168,496.40 and 885,930.40 is: 1,328,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,997.60 : 4,168,496.40 = 885,930.40 : x
  2. Step 2: Convert to fraction form
    2,778,997.60/4,168,496.40 = 885,930.40/x
  3. Step 3: Cross multiply
    2,778,997.60x = 4,168,496.40 × 885,930.40
  4. Step 4: Simplify right side
    2,778,997.60x = 3,692,997,683,050.56
  5. Step 5: Solve for x
    x = 3,692,997,683,050.56/2,778,997.60
  6. Step 6: Final answer
    x = 1,328,895.60

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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.