Home / 1,315,588.19-1,815,511.68-711,976.19

Finding the Fourth Proportional to 1,315,588.19, 1,815,511.68 and 711,976.19

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Solution

The fourth proportional to 1,315,588.19, 1,815,511.68 and 711,976.19 is: 982,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,588.19 : 1,815,511.68 = 711,976.19 : x
  2. Step 2: Convert to fraction form
    1,315,588.19/1,815,511.68 = 711,976.19/x
  3. Step 3: Cross multiply
    1,315,588.19x = 1,815,511.68 × 711,976.19
  4. Step 4: Simplify right side
    1,315,588.19x = 1,292,601,088,826.90
  5. Step 5: Solve for x
    x = 1,292,601,088,826.90/1,315,588.19
  6. Step 6: Final answer
    x = 982,527.13

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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.