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Finding the Fourth Proportional to 1,273,670.82, 1,757,790 and 950,820.21

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Solution

The fourth proportional to 1,273,670.82, 1,757,790 and 950,820.21 is: 1,312,224.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,670.82 : 1,757,790 = 950,820.21 : x
  2. Step 2: Convert to fraction form
    1,273,670.82/1,757,790 = 950,820.21/x
  3. Step 3: Cross multiply
    1,273,670.82x = 1,757,790 × 950,820.21
  4. Step 4: Simplify right side
    1,273,670.82x = 1,671,342,256,935.90
  5. Step 5: Solve for x
    x = 1,671,342,256,935.90/1,273,670.82
  6. Step 6: Final answer
    x = 1,312,224.66

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1.5x scale

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.