Home / 1,229,496.70-1,696,712.86-685,666.86

Finding the Fourth Proportional to 1,229,496.70, 1,696,712.86 and 685,666.86

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Solution

The fourth proportional to 1,229,496.70, 1,696,712.86 and 685,666.86 is: 946,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,496.70 : 1,696,712.86 = 685,666.86 : x
  2. Step 2: Convert to fraction form
    1,229,496.70/1,696,712.86 = 685,666.86/x
  3. Step 3: Cross multiply
    1,229,496.70x = 1,696,712.86 × 685,666.86
  4. Step 4: Simplify right side
    1,229,496.70x = 1,163,379,779,037.82
  5. Step 5: Solve for x
    x = 1,163,379,779,037.82/1,229,496.70
  6. Step 6: Final answer
    x = 946,224.40

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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.