Home / 1,359,399.52-2,038,967.52-412,778.56

Finding the Fourth Proportional to 1,359,399.52, 2,038,967.52 and 412,778.56

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Solution

The fourth proportional to 1,359,399.52, 2,038,967.52 and 412,778.56 is: 619,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,399.52 : 2,038,967.52 = 412,778.56 : x
  2. Step 2: Convert to fraction form
    1,359,399.52/2,038,967.52 = 412,778.56/x
  3. Step 3: Cross multiply
    1,359,399.52x = 2,038,967.52 × 412,778.56
  4. Step 4: Simplify right side
    1,359,399.52x = 841,642,076,792.37
  5. Step 5: Solve for x
    x = 841,642,076,792.37/1,359,399.52
  6. Step 6: Final answer
    x = 619,127.83

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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.