Home / 1,229,569.19-1,696,802.13-685,705.56

Finding the Fourth Proportional to 1,229,569.19, 1,696,802.13 and 685,705.56

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Solution

The fourth proportional to 1,229,569.19, 1,696,802.13 and 685,705.56 is: 946,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,569.19 : 1,696,802.13 = 685,705.56 : x
  2. Step 2: Convert to fraction form
    1,229,569.19/1,696,802.13 = 685,705.56/x
  3. Step 3: Cross multiply
    1,229,569.19x = 1,696,802.13 × 685,705.56
  4. Step 4: Simplify right side
    1,229,569.19x = 1,163,506,654,760.84
  5. Step 5: Solve for x
    x = 1,163,506,654,760.84/1,229,569.19
  6. Step 6: Final answer
    x = 946,271.81

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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.