Home / 1,089,214.60-1,503,157.62-605,814.70

Finding the Fourth Proportional to 1,089,214.60, 1,503,157.62 and 605,814.70

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Solution

The fourth proportional to 1,089,214.60, 1,503,157.62 and 605,814.70 is: 836,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,214.60 : 1,503,157.62 = 605,814.70 : x
  2. Step 2: Convert to fraction form
    1,089,214.60/1,503,157.62 = 605,814.70/x
  3. Step 3: Cross multiply
    1,089,214.60x = 1,503,157.62 × 605,814.70
  4. Step 4: Simplify right side
    1,089,214.60x = 910,634,982,613.01
  5. Step 5: Solve for x
    x = 910,634,982,613.01/1,089,214.60
  6. Step 6: Final answer
    x = 836,047.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.