Home / 1,154,229-1,592,806.32-644,935.56

Finding the Fourth Proportional to 1,154,229, 1,592,806.32 and 644,935.56

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Solution

The fourth proportional to 1,154,229, 1,592,806.32 and 644,935.56 is: 889,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,229 : 1,592,806.32 = 644,935.56 : x
  2. Step 2: Convert to fraction form
    1,154,229/1,592,806.32 = 644,935.56/x
  3. Step 3: Cross multiply
    1,154,229x = 1,592,806.32 × 644,935.56
  4. Step 4: Simplify right side
    1,154,229x = 1,027,257,435,960.74
  5. Step 5: Solve for x
    x = 1,027,257,435,960.74/1,154,229
  6. Step 6: Final answer
    x = 889,994.48

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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.