Home / 1,639,029.60-2,261,695.32-913,809.24

Finding the Fourth Proportional to 1,639,029.60, 2,261,695.32 and 913,809.24

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Solution

The fourth proportional to 1,639,029.60, 2,261,695.32 and 913,809.24 is: 1,260,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,029.60 : 2,261,695.32 = 913,809.24 : x
  2. Step 2: Convert to fraction form
    1,639,029.60/2,261,695.32 = 913,809.24/x
  3. Step 3: Cross multiply
    1,639,029.60x = 2,261,695.32 × 913,809.24
  4. Step 4: Simplify right side
    1,639,029.60x = 2,066,758,081,480.76
  5. Step 5: Solve for x
    x = 2,066,758,081,480.76/1,639,029.60
  6. Step 6: Final answer
    x = 1,260,964.46

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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.