Home / 1,019,282.78-1,406,619.32-554,137.61

Finding the Fourth Proportional to 1,019,282.78, 1,406,619.32 and 554,137.61

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Solution

The fourth proportional to 1,019,282.78, 1,406,619.32 and 554,137.61 is: 764,714.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,282.78 : 1,406,619.32 = 554,137.61 : x
  2. Step 2: Convert to fraction form
    1,019,282.78/1,406,619.32 = 554,137.61/x
  3. Step 3: Cross multiply
    1,019,282.78x = 1,406,619.32 × 554,137.61
  4. Step 4: Simplify right side
    1,019,282.78x = 779,460,658,360.84
  5. Step 5: Solve for x
    x = 779,460,658,360.84/1,019,282.78
  6. Step 6: Final answer
    x = 764,714.83

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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.