Home / 906,977.90-1,360,466.85-809,000.30

Finding the Fourth Proportional to 906,977.90, 1,360,466.85 and 809,000.30

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Solution

The fourth proportional to 906,977.90, 1,360,466.85 and 809,000.30 is: 1,213,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,977.90 : 1,360,466.85 = 809,000.30 : x
  2. Step 2: Convert to fraction form
    906,977.90/1,360,466.85 = 809,000.30/x
  3. Step 3: Cross multiply
    906,977.90x = 1,360,466.85 × 809,000.30
  4. Step 4: Simplify right side
    906,977.90x = 1,100,618,089,790.06
  5. Step 5: Solve for x
    x = 1,100,618,089,790.06/906,977.90
  6. Step 6: Final answer
    x = 1,213,500.45

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Similar ratio
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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.