Home / 1,089,759.96-1,634,701.41-331,626.12

Finding the Fourth Proportional to 1,089,759.96, 1,634,701.41 and 331,626.12

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Solution

The fourth proportional to 1,089,759.96, 1,634,701.41 and 331,626.12 is: 497,457.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,759.96 : 1,634,701.41 = 331,626.12 : x
  2. Step 2: Convert to fraction form
    1,089,759.96/1,634,701.41 = 331,626.12/x
  3. Step 3: Cross multiply
    1,089,759.96x = 1,634,701.41 × 331,626.12
  4. Step 4: Simplify right side
    1,089,759.96x = 542,109,685,956.83
  5. Step 5: Solve for x
    x = 542,109,685,956.83/1,089,759.96
  6. Step 6: Final answer
    x = 497,457.89

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Double scale
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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.