Home / 1,142,009.97-1,713,016.22-343,291.45

Finding the Fourth Proportional to 1,142,009.97, 1,713,016.22 and 343,291.45

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Solution

The fourth proportional to 1,142,009.97, 1,713,016.22 and 343,291.45 is: 514,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,009.97 : 1,713,016.22 = 343,291.45 : x
  2. Step 2: Convert to fraction form
    1,142,009.97/1,713,016.22 = 343,291.45/x
  3. Step 3: Cross multiply
    1,142,009.97x = 1,713,016.22 × 343,291.45
  4. Step 4: Simplify right side
    1,142,009.97x = 588,063,816,038.32
  5. Step 5: Solve for x
    x = 588,063,816,038.32/1,142,009.97
  6. Step 6: Final answer
    x = 514,937.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.