Home / 1,208,835.09-1,668,196.28-665,012.23

Finding the Fourth Proportional to 1,208,835.09, 1,668,196.28 and 665,012.23

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Solution

The fourth proportional to 1,208,835.09, 1,668,196.28 and 665,012.23 is: 917,719.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,835.09 : 1,668,196.28 = 665,012.23 : x
  2. Step 2: Convert to fraction form
    1,208,835.09/1,668,196.28 = 665,012.23/x
  3. Step 3: Cross multiply
    1,208,835.09x = 1,668,196.28 × 665,012.23
  4. Step 4: Simplify right side
    1,208,835.09x = 1,109,370,925,732.54
  5. Step 5: Solve for x
    x = 1,109,370,925,732.54/1,208,835.09
  6. Step 6: Final answer
    x = 917,719.00

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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.