Home / 1,257,889.75-1,735,445.22-822,561.93

Finding the Fourth Proportional to 1,257,889.75, 1,735,445.22 and 822,561.93

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Solution

The fourth proportional to 1,257,889.75, 1,735,445.22 and 822,561.93 is: 1,134,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,889.75 : 1,735,445.22 = 822,561.93 : x
  2. Step 2: Convert to fraction form
    1,257,889.75/1,735,445.22 = 822,561.93/x
  3. Step 3: Cross multiply
    1,257,889.75x = 1,735,445.22 × 822,561.93
  4. Step 4: Simplify right side
    1,257,889.75x = 1,427,511,169,572.47
  5. Step 5: Solve for x
    x = 1,427,511,169,572.47/1,257,889.75
  6. Step 6: Final answer
    x = 1,134,846.02

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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.