Home / 1,397,394.64-1,928,277.40-808,592.32

Finding the Fourth Proportional to 1,397,394.64, 1,928,277.40 and 808,592.32

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Solution

The fourth proportional to 1,397,394.64, 1,928,277.40 and 808,592.32 is: 1,115,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,394.64 : 1,928,277.40 = 808,592.32 : x
  2. Step 2: Convert to fraction form
    1,397,394.64/1,928,277.40 = 808,592.32/x
  3. Step 3: Cross multiply
    1,397,394.64x = 1,928,277.40 × 808,592.32
  4. Step 4: Simplify right side
    1,397,394.64x = 1,559,190,296,469.57
  5. Step 5: Solve for x
    x = 1,559,190,296,469.57/1,397,394.64
  6. Step 6: Final answer
    x = 1,115,783.80

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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.