Home / 1,167,192.51-1,610,725.67-630,648.51

Finding the Fourth Proportional to 1,167,192.51, 1,610,725.67 and 630,648.51

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Solution

The fourth proportional to 1,167,192.51, 1,610,725.67 and 630,648.51 is: 870,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,192.51 : 1,610,725.67 = 630,648.51 : x
  2. Step 2: Convert to fraction form
    1,167,192.51/1,610,725.67 = 630,648.51/x
  3. Step 3: Cross multiply
    1,167,192.51x = 1,610,725.67 × 630,648.51
  4. Step 4: Simplify right side
    1,167,192.51x = 1,015,801,740,651.01
  5. Step 5: Solve for x
    x = 1,015,801,740,651.01/1,167,192.51
  6. Step 6: Final answer
    x = 870,294.94

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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.