Home / 848,087.64-1,169,970.75-521,103.78

Finding the Fourth Proportional to 848,087.64, 1,169,970.75 and 521,103.78

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Solution

The fourth proportional to 848,087.64, 1,169,970.75 and 521,103.78 is: 718,883.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,087.64 : 1,169,970.75 = 521,103.78 : x
  2. Step 2: Convert to fraction form
    848,087.64/1,169,970.75 = 521,103.78/x
  3. Step 3: Cross multiply
    848,087.64x = 1,169,970.75 × 521,103.78
  4. Step 4: Simplify right side
    848,087.64x = 609,676,180,314.44
  5. Step 5: Solve for x
    x = 609,676,180,314.44/848,087.64
  6. Step 6: Final answer
    x = 718,883.46

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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.