Home / 1,229,567.19-1,696,799.37-685,703.55

Finding the Fourth Proportional to 1,229,567.19, 1,696,799.37 and 685,703.55

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Solution

The fourth proportional to 1,229,567.19, 1,696,799.37 and 685,703.55 is: 946,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,567.19 : 1,696,799.37 = 685,703.55 : x
  2. Step 2: Convert to fraction form
    1,229,567.19/1,696,799.37 = 685,703.55/x
  3. Step 3: Cross multiply
    1,229,567.19x = 1,696,799.37 × 685,703.55
  4. Step 4: Simplify right side
    1,229,567.19x = 1,163,501,351,646.76
  5. Step 5: Solve for x
    x = 1,163,501,351,646.76/1,229,567.19
  6. Step 6: Final answer
    x = 946,269.03

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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.