Home / 1,863,881.47-2,796,409.05-665,777.26

Finding the Fourth Proportional to 1,863,881.47, 2,796,409.05 and 665,777.26

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Solution

The fourth proportional to 1,863,881.47, 2,796,409.05 and 665,777.26 is: 998,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,881.47 : 2,796,409.05 = 665,777.26 : x
  2. Step 2: Convert to fraction form
    1,863,881.47/2,796,409.05 = 665,777.26/x
  3. Step 3: Cross multiply
    1,863,881.47x = 2,796,409.05 × 665,777.26
  4. Step 4: Simplify right side
    1,863,881.47x = 1,861,785,555,148.20
  5. Step 5: Solve for x
    x = 1,861,785,555,148.20/1,863,881.47
  6. Step 6: Final answer
    x = 998,875.51

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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.