Home / 1,112,575.83-1,668,311.58-354,318.42

Finding the Fourth Proportional to 1,112,575.83, 1,668,311.58 and 354,318.42

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Solution

The fourth proportional to 1,112,575.83, 1,668,311.58 and 354,318.42 is: 531,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,575.83 : 1,668,311.58 = 354,318.42 : x
  2. Step 2: Convert to fraction form
    1,112,575.83/1,668,311.58 = 354,318.42/x
  3. Step 3: Cross multiply
    1,112,575.83x = 1,668,311.58 × 354,318.42
  4. Step 4: Simplify right side
    1,112,575.83x = 591,113,523,093.30
  5. Step 5: Solve for x
    x = 591,113,523,093.30/1,112,575.83
  6. Step 6: Final answer
    x = 531,301.78

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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.