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Finding the Fourth Proportional to 887,699.79, 1,223,586.27 and 693,765

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Solution

The fourth proportional to 887,699.79, 1,223,586.27 and 693,765 is: 956,270.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,699.79 : 1,223,586.27 = 693,765 : x
  2. Step 2: Convert to fraction form
    887,699.79/1,223,586.27 = 693,765/x
  3. Step 3: Cross multiply
    887,699.79x = 1,223,586.27 × 693,765
  4. Step 4: Simplify right side
    887,699.79x = 848,881,328,606.55
  5. Step 5: Solve for x
    x = 848,881,328,606.55/887,699.79
  6. Step 6: Final answer
    x = 956,270.73

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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.