Home / 1,639,432.31-2,261,644.44-1,066,263.35

Finding the Fourth Proportional to 1,639,432.31, 2,261,644.44 and 1,066,263.35

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Solution

The fourth proportional to 1,639,432.31, 2,261,644.44 and 1,066,263.35 is: 1,470,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,432.31 : 2,261,644.44 = 1,066,263.35 : x
  2. Step 2: Convert to fraction form
    1,639,432.31/2,261,644.44 = 1,066,263.35/x
  3. Step 3: Cross multiply
    1,639,432.31x = 2,261,644.44 × 1,066,263.35
  4. Step 4: Simplify right side
    1,639,432.31x = 2,411,508,561,796.56
  5. Step 5: Solve for x
    x = 2,411,508,561,796.56/1,639,432.31
  6. Step 6: Final answer
    x = 1,470,941.22

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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.