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Finding the Fourth Proportional to 1,295,747.07, 1,788,133.83 and 722,824.35

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Solution

The fourth proportional to 1,295,747.07, 1,788,133.83 and 722,824.35 is: 997,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,747.07 : 1,788,133.83 = 722,824.35 : x
  2. Step 2: Convert to fraction form
    1,295,747.07/1,788,133.83 = 722,824.35/x
  3. Step 3: Cross multiply
    1,295,747.07x = 1,788,133.83 × 722,824.35
  4. Step 4: Simplify right side
    1,295,747.07x = 1,292,506,673,382.76
  5. Step 5: Solve for x
    x = 1,292,506,673,382.76/1,295,747.07
  6. Step 6: Final answer
    x = 997,499.21

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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.