Home / 1,277,602.90-1,916,595.75-412,748.84

Finding the Fourth Proportional to 1,277,602.90, 1,916,595.75 and 412,748.84

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Solution

The fourth proportional to 1,277,602.90, 1,916,595.75 and 412,748.84 is: 619,185.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,602.90 : 1,916,595.75 = 412,748.84 : x
  2. Step 2: Convert to fraction form
    1,277,602.90/1,916,595.75 = 412,748.84/x
  3. Step 3: Cross multiply
    1,277,602.90x = 1,916,595.75 × 412,748.84
  4. Step 4: Simplify right side
    1,277,602.90x = 791,072,672,561.43
  5. Step 5: Solve for x
    x = 791,072,672,561.43/1,277,602.90
  6. Step 6: Final answer
    x = 619,185.09

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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.