Home / 1,211,444.95-1,671,805.28-667,600.24

Finding the Fourth Proportional to 1,211,444.95, 1,671,805.28 and 667,600.24

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Solution

The fourth proportional to 1,211,444.95, 1,671,805.28 and 667,600.24 is: 921,294.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,444.95 : 1,671,805.28 = 667,600.24 : x
  2. Step 2: Convert to fraction form
    1,211,444.95/1,671,805.28 = 667,600.24/x
  3. Step 3: Cross multiply
    1,211,444.95x = 1,671,805.28 × 667,600.24
  4. Step 4: Simplify right side
    1,211,444.95x = 1,116,097,613,601.72
  5. Step 5: Solve for x
    x = 1,116,097,613,601.72/1,211,444.95
  6. Step 6: Final answer
    x = 921,294.54

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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.