Home / 1,018,809-1,405,926.69-583,211.91

Finding the Fourth Proportional to 1,018,809, 1,405,926.69 and 583,211.91

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Solution

The fourth proportional to 1,018,809, 1,405,926.69 and 583,211.91 is: 804,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,809 : 1,405,926.69 = 583,211.91 : x
  2. Step 2: Convert to fraction form
    1,018,809/1,405,926.69 = 583,211.91/x
  3. Step 3: Cross multiply
    1,018,809x = 1,405,926.69 × 583,211.91
  4. Step 4: Simplify right side
    1,018,809x = 819,953,190,194.88
  5. Step 5: Solve for x
    x = 819,953,190,194.88/1,018,809
  6. Step 6: Final answer
    x = 804,815.42

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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.