Home / 983,030.81-1,474,582.50-443,181.56

Finding the Fourth Proportional to 983,030.81, 1,474,582.50 and 443,181.56

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Solution

The fourth proportional to 983,030.81, 1,474,582.50 and 443,181.56 is: 664,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,030.81 : 1,474,582.50 = 443,181.56 : x
  2. Step 2: Convert to fraction form
    983,030.81/1,474,582.50 = 443,181.56/x
  3. Step 3: Cross multiply
    983,030.81x = 1,474,582.50 × 443,181.56
  4. Step 4: Simplify right side
    983,030.81x = 653,507,765,325.79
  5. Step 5: Solve for x
    x = 653,507,765,325.79/983,030.81
  6. Step 6: Final answer
    x = 664,788.69

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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.