Home / 1,199,527.61-1,799,606.88-431,102.96

Finding the Fourth Proportional to 1,199,527.61, 1,799,606.88 and 431,102.96

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Solution

The fourth proportional to 1,199,527.61, 1,799,606.88 and 431,102.96 is: 646,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,527.61 : 1,799,606.88 = 431,102.96 : x
  2. Step 2: Convert to fraction form
    1,199,527.61/1,799,606.88 = 431,102.96/x
  3. Step 3: Cross multiply
    1,199,527.61x = 1,799,606.88 × 431,102.96
  4. Step 4: Simplify right side
    1,199,527.61x = 775,815,852,804.37
  5. Step 5: Solve for x
    x = 775,815,852,804.37/1,199,527.61
  6. Step 6: Final answer
    x = 646,767.82

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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.