Home / 1,353,525.14-1,867,864.68-809,683.86

Finding the Fourth Proportional to 1,353,525.14, 1,867,864.68 and 809,683.86

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Solution

The fourth proportional to 1,353,525.14, 1,867,864.68 and 809,683.86 is: 1,117,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,525.14 : 1,867,864.68 = 809,683.86 : x
  2. Step 2: Convert to fraction form
    1,353,525.14/1,867,864.68 = 809,683.86/x
  3. Step 3: Cross multiply
    1,353,525.14x = 1,867,864.68 × 809,683.86
  4. Step 4: Simplify right side
    1,353,525.14x = 1,512,379,884,060.06
  5. Step 5: Solve for x
    x = 1,512,379,884,060.06/1,353,525.14
  6. Step 6: Final answer
    x = 1,117,363.72

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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.