Home / 1,668,587.28-2,302,636.56-943,577.36

Finding the Fourth Proportional to 1,668,587.28, 2,302,636.56 and 943,577.36

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Solution

The fourth proportional to 1,668,587.28, 2,302,636.56 and 943,577.36 is: 1,302,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,587.28 : 2,302,636.56 = 943,577.36 : x
  2. Step 2: Convert to fraction form
    1,668,587.28/2,302,636.56 = 943,577.36/x
  3. Step 3: Cross multiply
    1,668,587.28x = 2,302,636.56 × 943,577.36
  4. Step 4: Simplify right side
    1,668,587.28x = 2,172,715,726,324.28
  5. Step 5: Solve for x
    x = 2,172,715,726,324.28/1,668,587.28
  6. Step 6: Final answer
    x = 1,302,128.90

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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.