Home / 1,285,688.84-1,928,549.66-886,222.35

Finding the Fourth Proportional to 1,285,688.84, 1,928,549.66 and 886,222.35

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Solution

The fourth proportional to 1,285,688.84, 1,928,549.66 and 886,222.35 is: 1,329,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,688.84 : 1,928,549.66 = 886,222.35 : x
  2. Step 2: Convert to fraction form
    1,285,688.84/1,928,549.66 = 886,222.35/x
  3. Step 3: Cross multiply
    1,285,688.84x = 1,928,549.66 × 886,222.35
  4. Step 4: Simplify right side
    1,285,688.84x = 1,709,123,807,345.79
  5. Step 5: Solve for x
    x = 1,709,123,807,345.79/1,285,688.84
  6. Step 6: Final answer
    x = 1,329,344.83

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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.