Home / 1,209,855.84-1,814,783.78-368,407.59

Finding the Fourth Proportional to 1,209,855.84, 1,814,783.78 and 368,407.59

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Solution

The fourth proportional to 1,209,855.84, 1,814,783.78 and 368,407.59 is: 552,611.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,855.84 : 1,814,783.78 = 368,407.59 : x
  2. Step 2: Convert to fraction form
    1,209,855.84/1,814,783.78 = 368,407.59/x
  3. Step 3: Cross multiply
    1,209,855.84x = 1,814,783.78 × 368,407.59
  4. Step 4: Simplify right side
    1,209,855.84x = 668,580,118,760.89
  5. Step 5: Solve for x
    x = 668,580,118,760.89/1,209,855.84
  6. Step 6: Final answer
    x = 552,611.39

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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.