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Finding the Fourth Proportional to 1,248,769.89, 1,723,304.58 and 675,810.51

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Solution

The fourth proportional to 1,248,769.89, 1,723,304.58 and 675,810.51 is: 932,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,769.89 : 1,723,304.58 = 675,810.51 : x
  2. Step 2: Convert to fraction form
    1,248,769.89/1,723,304.58 = 675,810.51/x
  3. Step 3: Cross multiply
    1,248,769.89x = 1,723,304.58 × 675,810.51
  4. Step 4: Simplify right side
    1,248,769.89x = 1,164,627,347,095.14
  5. Step 5: Solve for x
    x = 1,164,627,347,095.14/1,248,769.89
  6. Step 6: Final answer
    x = 932,619.66

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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.