Home / 1,206,929.62-1,665,592.23-663,100.63

Finding the Fourth Proportional to 1,206,929.62, 1,665,592.23 and 663,100.63

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Solution

The fourth proportional to 1,206,929.62, 1,665,592.23 and 663,100.63 is: 915,094.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,929.62 : 1,665,592.23 = 663,100.63 : x
  2. Step 2: Convert to fraction form
    1,206,929.62/1,665,592.23 = 663,100.63/x
  3. Step 3: Cross multiply
    1,206,929.62x = 1,665,592.23 × 663,100.63
  4. Step 4: Simplify right side
    1,206,929.62x = 1,104,455,248,708.14
  5. Step 5: Solve for x
    x = 1,104,455,248,708.14/1,206,929.62
  6. Step 6: Final answer
    x = 915,094.99

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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.