Home / 1,299,279.40-1,948,918.14-352,789

Finding the Fourth Proportional to 1,299,279.40, 1,948,918.14 and 352,789

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Solution

The fourth proportional to 1,299,279.40, 1,948,918.14 and 352,789 is: 529,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,279.40 : 1,948,918.14 = 352,789 : x
  2. Step 2: Convert to fraction form
    1,299,279.40/1,948,918.14 = 352,789/x
  3. Step 3: Cross multiply
    1,299,279.40x = 1,948,918.14 × 352,789
  4. Step 4: Simplify right side
    1,299,279.40x = 687,556,881,692.46
  5. Step 5: Solve for x
    x = 687,556,881,692.46/1,299,279.40
  6. Step 6: Final answer
    x = 529,183.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.