Home / 1,089,354.43-1,503,273.05-605,905.93

Finding the Fourth Proportional to 1,089,354.43, 1,503,273.05 and 605,905.93

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Solution

The fourth proportional to 1,089,354.43, 1,503,273.05 and 605,905.93 is: 836,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,354.43 : 1,503,273.05 = 605,905.93 : x
  2. Step 2: Convert to fraction form
    1,089,354.43/1,503,273.05 = 605,905.93/x
  3. Step 3: Cross multiply
    1,089,354.43x = 1,503,273.05 × 605,905.93
  4. Step 4: Simplify right side
    1,089,354.43x = 910,842,048,616.47
  5. Step 5: Solve for x
    x = 910,842,048,616.47/1,089,354.43
  6. Step 6: Final answer
    x = 836,130.12

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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.