Home / 666,783.28-1,002,342.48-535,106.44

Finding the Fourth Proportional to 666,783.28, 1,002,342.48 and 535,106.44

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Solution

The fourth proportional to 666,783.28, 1,002,342.48 and 535,106.44 is: 804,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,783.28 : 1,002,342.48 = 535,106.44 : x
  2. Step 2: Convert to fraction form
    666,783.28/1,002,342.48 = 535,106.44/x
  3. Step 3: Cross multiply
    666,783.28x = 1,002,342.48 × 535,106.44
  4. Step 4: Simplify right side
    666,783.28x = 536,359,916,133.57
  5. Step 5: Solve for x
    x = 536,359,916,133.57/666,783.28
  6. Step 6: Final answer
    x = 804,399.17

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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.