Home / 1,115,890.70-1,539,944.48-606,604.01

Finding the Fourth Proportional to 1,115,890.70, 1,539,944.48 and 606,604.01

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Solution

The fourth proportional to 1,115,890.70, 1,539,944.48 and 606,604.01 is: 837,121.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,890.70 : 1,539,944.48 = 606,604.01 : x
  2. Step 2: Convert to fraction form
    1,115,890.70/1,539,944.48 = 606,604.01/x
  3. Step 3: Cross multiply
    1,115,890.70x = 1,539,944.48 × 606,604.01
  4. Step 4: Simplify right side
    1,115,890.70x = 934,136,493,712.35
  5. Step 5: Solve for x
    x = 934,136,493,712.35/1,115,890.70
  6. Step 6: Final answer
    x = 837,121.86

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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.