Home / 1,089,624.20-1,632,492.30-527,419.40

Finding the Fourth Proportional to 1,089,624.20, 1,632,492.30 and 527,419.40

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Solution

The fourth proportional to 1,089,624.20, 1,632,492.30 and 527,419.40 is: 790,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,624.20 : 1,632,492.30 = 527,419.40 : x
  2. Step 2: Convert to fraction form
    1,089,624.20/1,632,492.30 = 527,419.40/x
  3. Step 3: Cross multiply
    1,089,624.20x = 1,632,492.30 × 527,419.40
  4. Step 4: Simplify right side
    1,089,624.20x = 861,008,109,370.62
  5. Step 5: Solve for x
    x = 861,008,109,370.62/1,089,624.20
  6. Step 6: Final answer
    x = 790,188.13

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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.