Home / 806,607.28-1,113,495.96-467,009.92

Finding the Fourth Proportional to 806,607.28, 1,113,495.96 and 467,009.92

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Solution

The fourth proportional to 806,607.28, 1,113,495.96 and 467,009.92 is: 644,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,607.28 : 1,113,495.96 = 467,009.92 : x
  2. Step 2: Convert to fraction form
    806,607.28/1,113,495.96 = 467,009.92/x
  3. Step 3: Cross multiply
    806,607.28x = 1,113,495.96 × 467,009.92
  4. Step 4: Simplify right side
    806,607.28x = 520,013,659,199.92
  5. Step 5: Solve for x
    x = 520,013,659,199.92/806,607.28
  6. Step 6: Final answer
    x = 644,692.49

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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.