Home / 1,211,894.16-1,672,404.48-660,608.52

Finding the Fourth Proportional to 1,211,894.16, 1,672,404.48 and 660,608.52

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Solution

The fourth proportional to 1,211,894.16, 1,672,404.48 and 660,608.52 is: 911,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,894.16 : 1,672,404.48 = 660,608.52 : x
  2. Step 2: Convert to fraction form
    1,211,894.16/1,672,404.48 = 660,608.52/x
  3. Step 3: Cross multiply
    1,211,894.16x = 1,672,404.48 × 660,608.52
  4. Step 4: Simplify right side
    1,211,894.16x = 1,104,804,648,374.17
  5. Step 5: Solve for x
    x = 1,104,804,648,374.17/1,211,894.16
  6. Step 6: Final answer
    x = 911,634.60

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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.