Home / 1,306,254.60-1,802,653.65-717,578.85

Finding the Fourth Proportional to 1,306,254.60, 1,802,653.65 and 717,578.85

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Solution

The fourth proportional to 1,306,254.60, 1,802,653.65 and 717,578.85 is: 990,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,254.60 : 1,802,653.65 = 717,578.85 : x
  2. Step 2: Convert to fraction form
    1,306,254.60/1,802,653.65 = 717,578.85/x
  3. Step 3: Cross multiply
    1,306,254.60x = 1,802,653.65 × 717,578.85
  4. Step 4: Simplify right side
    1,306,254.60x = 1,293,546,133,115.30
  5. Step 5: Solve for x
    x = 1,293,546,133,115.30/1,306,254.60
  6. Step 6: Final answer
    x = 990,271.06

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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.