Home / 921,041.09-1,261,830.68-886,524.76

Finding the Fourth Proportional to 921,041.09, 1,261,830.68 and 886,524.76

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Solution

The fourth proportional to 921,041.09, 1,261,830.68 and 886,524.76 is: 1,214,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,041.09 : 1,261,830.68 = 886,524.76 : x
  2. Step 2: Convert to fraction form
    921,041.09/1,261,830.68 = 886,524.76/x
  3. Step 3: Cross multiply
    921,041.09x = 1,261,830.68 × 886,524.76
  4. Step 4: Simplify right side
    921,041.09x = 1,118,644,140,747.64
  5. Step 5: Solve for x
    x = 1,118,644,140,747.64/921,041.09
  6. Step 6: Final answer
    x = 1,214,543.14

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.