Home / 1,417,274.70-1,955,754.80-805,342.52

Finding the Fourth Proportional to 1,417,274.70, 1,955,754.80 and 805,342.52

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Solution

The fourth proportional to 1,417,274.70, 1,955,754.80 and 805,342.52 is: 1,111,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,274.70 : 1,955,754.80 = 805,342.52 : x
  2. Step 2: Convert to fraction form
    1,417,274.70/1,955,754.80 = 805,342.52/x
  3. Step 3: Cross multiply
    1,417,274.70x = 1,955,754.80 × 805,342.52
  4. Step 4: Simplify right side
    1,417,274.70x = 1,575,052,499,134.10
  5. Step 5: Solve for x
    x = 1,575,052,499,134.10/1,417,274.70
  6. Step 6: Final answer
    x = 1,111,324.78

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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.