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Finding the Fourth Proportional to 1,197,926.45, 1,652,943.51 and 707,827.82

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Solution

The fourth proportional to 1,197,926.45, 1,652,943.51 and 707,827.82 is: 976,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,926.45 : 1,652,943.51 = 707,827.82 : x
  2. Step 2: Convert to fraction form
    1,197,926.45/1,652,943.51 = 707,827.82/x
  3. Step 3: Cross multiply
    1,197,926.45x = 1,652,943.51 × 707,827.82
  4. Step 4: Simplify right side
    1,197,926.45x = 1,169,999,393,001.73
  5. Step 5: Solve for x
    x = 1,169,999,393,001.73/1,197,926.45
  6. Step 6: Final answer
    x = 976,687.17

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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.