Home / 1,393,859.28-1,924,112.96-941,762.64

Finding the Fourth Proportional to 1,393,859.28, 1,924,112.96 and 941,762.64

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Solution

The fourth proportional to 1,393,859.28, 1,924,112.96 and 941,762.64 is: 1,300,029.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,859.28 : 1,924,112.96 = 941,762.64 : x
  2. Step 2: Convert to fraction form
    1,393,859.28/1,924,112.96 = 941,762.64/x
  3. Step 3: Cross multiply
    1,393,859.28x = 1,924,112.96 × 941,762.64
  4. Step 4: Simplify right side
    1,393,859.28x = 1,812,057,700,867.81
  5. Step 5: Solve for x
    x = 1,812,057,700,867.81/1,393,859.28
  6. Step 6: Final answer
    x = 1,300,029.15

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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.