Home / 984,832.20-1,477,248.30-630,246.60

Finding the Fourth Proportional to 984,832.20, 1,477,248.30 and 630,246.60

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Solution

The fourth proportional to 984,832.20, 1,477,248.30 and 630,246.60 is: 945,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,832.20 : 1,477,248.30 = 630,246.60 : x
  2. Step 2: Convert to fraction form
    984,832.20/1,477,248.30 = 630,246.60/x
  3. Step 3: Cross multiply
    984,832.20x = 1,477,248.30 × 630,246.60
  4. Step 4: Simplify right side
    984,832.20x = 931,030,718,430.78
  5. Step 5: Solve for x
    x = 931,030,718,430.78/984,832.20
  6. Step 6: Final answer
    x = 945,369.90

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Double scale
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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.