Home / 1,286,418.07-1,929,805.10-433,733.60

Finding the Fourth Proportional to 1,286,418.07, 1,929,805.10 and 433,733.60

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Solution

The fourth proportional to 1,286,418.07, 1,929,805.10 and 433,733.60 is: 650,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,418.07 : 1,929,805.10 = 433,733.60 : x
  2. Step 2: Convert to fraction form
    1,286,418.07/1,929,805.10 = 433,733.60/x
  3. Step 3: Cross multiply
    1,286,418.07x = 1,929,805.10 × 433,733.60
  4. Step 4: Simplify right side
    1,286,418.07x = 837,021,306,084.59
  5. Step 5: Solve for x
    x = 837,021,306,084.59/1,286,418.07
  6. Step 6: Final answer
    x = 650,660.41

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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.