Home / 986,054.84-1,360,728.06-556,374.94

Finding the Fourth Proportional to 986,054.84, 1,360,728.06 and 556,374.94

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Solution

The fourth proportional to 986,054.84, 1,360,728.06 and 556,374.94 is: 767,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,054.84 : 1,360,728.06 = 556,374.94 : x
  2. Step 2: Convert to fraction form
    986,054.84/1,360,728.06 = 556,374.94/x
  3. Step 3: Cross multiply
    986,054.84x = 1,360,728.06 × 556,374.94
  4. Step 4: Simplify right side
    986,054.84x = 757,074,992,738.82
  5. Step 5: Solve for x
    x = 757,074,992,738.82/986,054.84
  6. Step 6: Final answer
    x = 767,781.83

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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.