Home / 1,605,837.40-2,215,696.68-917,289.16

Finding the Fourth Proportional to 1,605,837.40, 2,215,696.68 and 917,289.16

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Solution

The fourth proportional to 1,605,837.40, 2,215,696.68 and 917,289.16 is: 1,265,654.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,837.40 : 2,215,696.68 = 917,289.16 : x
  2. Step 2: Convert to fraction form
    1,605,837.40/2,215,696.68 = 917,289.16/x
  3. Step 3: Cross multiply
    1,605,837.40x = 2,215,696.68 × 917,289.16
  4. Step 4: Simplify right side
    1,605,837.40x = 2,032,434,540,872.75
  5. Step 5: Solve for x
    x = 2,032,434,540,872.75/1,605,837.40
  6. Step 6: Final answer
    x = 1,265,654.01

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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.