Home / 1,184,795.98-1,635,013.50-640,930.40

Finding the Fourth Proportional to 1,184,795.98, 1,635,013.50 and 640,930.40

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Solution

The fourth proportional to 1,184,795.98, 1,635,013.50 and 640,930.40 is: 884,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,795.98 : 1,635,013.50 = 640,930.40 : x
  2. Step 2: Convert to fraction form
    1,184,795.98/1,635,013.50 = 640,930.40/x
  3. Step 3: Cross multiply
    1,184,795.98x = 1,635,013.50 × 640,930.40
  4. Step 4: Simplify right side
    1,184,795.98x = 1,047,929,856,560.40
  5. Step 5: Solve for x
    x = 1,047,929,856,560.40/1,184,795.98
  6. Step 6: Final answer
    x = 884,481.27

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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.