Home / 1,229,271.17-1,696,307.58-685,383.71

Finding the Fourth Proportional to 1,229,271.17, 1,696,307.58 and 685,383.71

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Solution

The fourth proportional to 1,229,271.17, 1,696,307.58 and 685,383.71 is: 945,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,271.17 : 1,696,307.58 = 685,383.71 : x
  2. Step 2: Convert to fraction form
    1,229,271.17/1,696,307.58 = 685,383.71/x
  3. Step 3: Cross multiply
    1,229,271.17x = 1,696,307.58 × 685,383.71
  4. Step 4: Simplify right side
    1,229,271.17x = 1,162,621,573,999.98
  5. Step 5: Solve for x
    x = 1,162,621,573,999.98/1,229,271.17
  6. Step 6: Final answer
    x = 945,781.21

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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.