Home / 1,376,192-1,899,144.96-772,580

Finding the Fourth Proportional to 1,376,192, 1,899,144.96 and 772,580

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Solution

The fourth proportional to 1,376,192, 1,899,144.96 and 772,580 is: 1,066,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,192 : 1,899,144.96 = 772,580 : x
  2. Step 2: Convert to fraction form
    1,376,192/1,899,144.96 = 772,580/x
  3. Step 3: Cross multiply
    1,376,192x = 1,899,144.96 × 772,580
  4. Step 4: Simplify right side
    1,376,192x = 1,467,241,413,196.80
  5. Step 5: Solve for x
    x = 1,467,241,413,196.80/1,376,192
  6. Step 6: Final answer
    x = 1,066,160.40

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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.