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Finding the Fourth Proportional to 1,241,787, 1,713,668.22 and 705,243

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Solution

The fourth proportional to 1,241,787, 1,713,668.22 and 705,243 is: 973,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,787 : 1,713,668.22 = 705,243 : x
  2. Step 2: Convert to fraction form
    1,241,787/1,713,668.22 = 705,243/x
  3. Step 3: Cross multiply
    1,241,787x = 1,713,668.22 × 705,243
  4. Step 4: Simplify right side
    1,241,787x = 1,208,552,516,477.46
  5. Step 5: Solve for x
    x = 1,208,552,516,477.46/1,241,787
  6. Step 6: Final answer
    x = 973,236.57

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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.