Home / 1,205,938.24-1,664,111.52-669,352

Finding the Fourth Proportional to 1,205,938.24, 1,664,111.52 and 669,352

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Solution

The fourth proportional to 1,205,938.24, 1,664,111.52 and 669,352 is: 923,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,938.24 : 1,664,111.52 = 669,352 : x
  2. Step 2: Convert to fraction form
    1,205,938.24/1,664,111.52 = 669,352/x
  3. Step 3: Cross multiply
    1,205,938.24x = 1,664,111.52 × 669,352
  4. Step 4: Simplify right side
    1,205,938.24x = 1,113,876,374,135.04
  5. Step 5: Solve for x
    x = 1,113,876,374,135.04/1,205,938.24
  6. Step 6: Final answer
    x = 923,659.55

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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.