Home / 993,683.84-1,497,221.12-820,079.36

Finding the Fourth Proportional to 993,683.84, 1,497,221.12 and 820,079.36

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Solution

The fourth proportional to 993,683.84, 1,497,221.12 and 820,079.36 is: 1,235,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,683.84 : 1,497,221.12 = 820,079.36 : x
  2. Step 2: Convert to fraction form
    993,683.84/1,497,221.12 = 820,079.36/x
  3. Step 3: Cross multiply
    993,683.84x = 1,497,221.12 × 820,079.36
  4. Step 4: Simplify right side
    993,683.84x = 1,227,840,137,868.08
  5. Step 5: Solve for x
    x = 1,227,840,137,868.08/993,683.84
  6. Step 6: Final answer
    x = 1,235,644.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.