Home / 1,212,056.54-1,813,593.92-971,440.66

Finding the Fourth Proportional to 1,212,056.54, 1,813,593.92 and 971,440.66

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Solution

The fourth proportional to 1,212,056.54, 1,813,593.92 and 971,440.66 is: 1,453,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,056.54 : 1,813,593.92 = 971,440.66 : x
  2. Step 2: Convert to fraction form
    1,212,056.54/1,813,593.92 = 971,440.66/x
  3. Step 3: Cross multiply
    1,212,056.54x = 1,813,593.92 × 971,440.66
  4. Step 4: Simplify right side
    1,212,056.54x = 1,761,798,872,026.58
  5. Step 5: Solve for x
    x = 1,761,798,872,026.58/1,212,056.54
  6. Step 6: Final answer
    x = 1,453,561.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.