Home / 1,211,445.95-1,671,806.66-667,601.24

Finding the Fourth Proportional to 1,211,445.95, 1,671,806.66 and 667,601.24

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Solution

The fourth proportional to 1,211,445.95, 1,671,806.66 and 667,601.24 is: 921,295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,445.95 : 1,671,806.66 = 667,601.24 : x
  2. Step 2: Convert to fraction form
    1,211,445.95/1,671,806.66 = 667,601.24/x
  3. Step 3: Cross multiply
    1,211,445.95x = 1,671,806.66 × 667,601.24
  4. Step 4: Simplify right side
    1,211,445.95x = 1,116,100,199,256.26
  5. Step 5: Solve for x
    x = 1,116,100,199,256.26/1,211,445.95
  6. Step 6: Final answer
    x = 921,295.91

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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.