Home / 1,199,354.93-1,799,040.12-479,756.75

Finding the Fourth Proportional to 1,199,354.93, 1,799,040.12 and 479,756.75

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Solution

The fourth proportional to 1,199,354.93, 1,799,040.12 and 479,756.75 is: 719,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,354.93 : 1,799,040.12 = 479,756.75 : x
  2. Step 2: Convert to fraction form
    1,199,354.93/1,799,040.12 = 479,756.75/x
  3. Step 3: Cross multiply
    1,199,354.93x = 1,799,040.12 × 479,756.75
  4. Step 4: Simplify right side
    1,199,354.93x = 863,101,632,095.61
  5. Step 5: Solve for x
    x = 863,101,632,095.61/1,199,354.93
  6. Step 6: Final answer
    x = 719,638.21

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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.