Home / 1,089,937.12-1,635,182.16-341,989.60

Finding the Fourth Proportional to 1,089,937.12, 1,635,182.16 and 341,989.60

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Solution

The fourth proportional to 1,089,937.12, 1,635,182.16 and 341,989.60 is: 513,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,937.12 : 1,635,182.16 = 341,989.60 : x
  2. Step 2: Convert to fraction form
    1,089,937.12/1,635,182.16 = 341,989.60/x
  3. Step 3: Cross multiply
    1,089,937.12x = 1,635,182.16 × 341,989.60
  4. Step 4: Simplify right side
    1,089,937.12x = 559,215,292,825.54
  5. Step 5: Solve for x
    x = 559,215,292,825.54/1,089,937.12
  6. Step 6: Final answer
    x = 513,071.15

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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.