Home / 1,189,130.59-1,783,968.36-515,325.01

Finding the Fourth Proportional to 1,189,130.59, 1,783,968.36 and 515,325.01

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Solution

The fourth proportional to 1,189,130.59, 1,783,968.36 and 515,325.01 is: 773,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,130.59 : 1,783,968.36 = 515,325.01 : x
  2. Step 2: Convert to fraction form
    1,189,130.59/1,783,968.36 = 515,325.01/x
  3. Step 3: Cross multiply
    1,189,130.59x = 1,783,968.36 × 515,325.01
  4. Step 4: Simplify right side
    1,189,130.59x = 919,323,512,956.68
  5. Step 5: Solve for x
    x = 919,323,512,956.68/1,189,130.59
  6. Step 6: Final answer
    x = 773,105.60

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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.