Home / 1,081,583.80-1,492,134.63-622,588.55

Finding the Fourth Proportional to 1,081,583.80, 1,492,134.63 and 622,588.55

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Solution

The fourth proportional to 1,081,583.80, 1,492,134.63 and 622,588.55 is: 858,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,583.80 : 1,492,134.63 = 622,588.55 : x
  2. Step 2: Convert to fraction form
    1,081,583.80/1,492,134.63 = 622,588.55/x
  3. Step 3: Cross multiply
    1,081,583.80x = 1,492,134.63 × 622,588.55
  4. Step 4: Simplify right side
    1,081,583.80x = 928,985,925,901.11
  5. Step 5: Solve for x
    x = 928,985,925,901.11/1,081,583.80
  6. Step 6: Final answer
    x = 858,912.58

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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.