Home / 1,227,222.41-1,693,020.35-717,700.01

Finding the Fourth Proportional to 1,227,222.41, 1,693,020.35 and 717,700.01

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Solution

The fourth proportional to 1,227,222.41, 1,693,020.35 and 717,700.01 is: 990,106.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,222.41 : 1,693,020.35 = 717,700.01 : x
  2. Step 2: Convert to fraction form
    1,227,222.41/1,693,020.35 = 717,700.01/x
  3. Step 3: Cross multiply
    1,227,222.41x = 1,693,020.35 × 717,700.01
  4. Step 4: Simplify right side
    1,227,222.41x = 1,215,080,715,454.35
  5. Step 5: Solve for x
    x = 1,215,080,715,454.35/1,227,222.41
  6. Step 6: Final answer
    x = 990,106.37

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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.