Home / 1,147,086.12-1,720,943.46-348,393.72

Finding the Fourth Proportional to 1,147,086.12, 1,720,943.46 and 348,393.72

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Solution

The fourth proportional to 1,147,086.12, 1,720,943.46 and 348,393.72 is: 522,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,086.12 : 1,720,943.46 = 348,393.72 : x
  2. Step 2: Convert to fraction form
    1,147,086.12/1,720,943.46 = 348,393.72/x
  3. Step 3: Cross multiply
    1,147,086.12x = 1,720,943.46 × 348,393.72
  4. Step 4: Simplify right side
    1,147,086.12x = 599,565,893,939.07
  5. Step 5: Solve for x
    x = 599,565,893,939.07/1,147,086.12
  6. Step 6: Final answer
    x = 522,686.03

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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.