Home / 986,234.81-1,479,394.33-387,325.77

Finding the Fourth Proportional to 986,234.81, 1,479,394.33 and 387,325.77

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Solution

The fourth proportional to 986,234.81, 1,479,394.33 and 387,325.77 is: 581,005.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,234.81 : 1,479,394.33 = 387,325.77 : x
  2. Step 2: Convert to fraction form
    986,234.81/1,479,394.33 = 387,325.77/x
  3. Step 3: Cross multiply
    986,234.81x = 1,479,394.33 × 387,325.77
  4. Step 4: Simplify right side
    986,234.81x = 573,007,541,484.84
  5. Step 5: Solve for x
    x = 573,007,541,484.84/986,234.81
  6. Step 6: Final answer
    x = 581,005.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.