Home / 1,639,987.16-2,263,182.93-914,832.63

Finding the Fourth Proportional to 1,639,987.16, 2,263,182.93 and 914,832.63

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Solution

The fourth proportional to 1,639,987.16, 2,263,182.93 and 914,832.63 is: 1,262,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,987.16 : 2,263,182.93 = 914,832.63 : x
  2. Step 2: Convert to fraction form
    1,639,987.16/2,263,182.93 = 914,832.63/x
  3. Step 3: Cross multiply
    1,639,987.16x = 2,263,182.93 × 914,832.63
  4. Step 4: Simplify right side
    1,639,987.16x = 2,070,433,592,023.01
  5. Step 5: Solve for x
    x = 2,070,433,592,023.01/1,639,987.16
  6. Step 6: Final answer
    x = 1,262,469.40

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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.