Home / 1,292,809-1,939,423.58-382,083.88

Finding the Fourth Proportional to 1,292,809, 1,939,423.58 and 382,083.88

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Solution

The fourth proportional to 1,292,809, 1,939,423.58 and 382,083.88 is: 573,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,809 : 1,939,423.58 = 382,083.88 : x
  2. Step 2: Convert to fraction form
    1,292,809/1,939,423.58 = 382,083.88/x
  3. Step 3: Cross multiply
    1,292,809x = 1,939,423.58 × 382,083.88
  4. Step 4: Simplify right side
    1,292,809x = 741,022,486,409.89
  5. Step 5: Solve for x
    x = 741,022,486,409.89/1,292,809
  6. Step 6: Final answer
    x = 573,187.91

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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.