Home / 1,226,614.52-1,692,783.65-682,784.97

Finding the Fourth Proportional to 1,226,614.52, 1,692,783.65 and 682,784.97

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Solution

The fourth proportional to 1,226,614.52, 1,692,783.65 and 682,784.97 is: 942,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,614.52 : 1,692,783.65 = 682,784.97 : x
  2. Step 2: Convert to fraction form
    1,226,614.52/1,692,783.65 = 682,784.97/x
  3. Step 3: Cross multiply
    1,226,614.52x = 1,692,783.65 × 682,784.97
  4. Step 4: Simplify right side
    1,226,614.52x = 1,155,807,233,681.74
  5. Step 5: Solve for x
    x = 1,155,807,233,681.74/1,226,614.52
  6. Step 6: Final answer
    x = 942,274.21

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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.