Home / 1,297,779.75-1,946,669.61-488,316.36

Finding the Fourth Proportional to 1,297,779.75, 1,946,669.61 and 488,316.36

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Solution

The fourth proportional to 1,297,779.75, 1,946,669.61 and 488,316.36 is: 732,474.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,779.75 : 1,946,669.61 = 488,316.36 : x
  2. Step 2: Convert to fraction form
    1,297,779.75/1,946,669.61 = 488,316.36/x
  3. Step 3: Cross multiply
    1,297,779.75x = 1,946,669.61 × 488,316.36
  4. Step 4: Simplify right side
    1,297,779.75x = 950,590,618,077.82
  5. Step 5: Solve for x
    x = 950,590,618,077.82/1,297,779.75
  6. Step 6: Final answer
    x = 732,474.53

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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.