Home / 1,022,813.16-1,534,281.24-312,847.35

Finding the Fourth Proportional to 1,022,813.16, 1,534,281.24 and 312,847.35

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Solution

The fourth proportional to 1,022,813.16, 1,534,281.24 and 312,847.35 is: 469,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,813.16 : 1,534,281.24 = 312,847.35 : x
  2. Step 2: Convert to fraction form
    1,022,813.16/1,534,281.24 = 312,847.35/x
  3. Step 3: Cross multiply
    1,022,813.16x = 1,534,281.24 × 312,847.35
  4. Step 4: Simplify right side
    1,022,813.16x = 479,995,815,508.34
  5. Step 5: Solve for x
    x = 479,995,815,508.34/1,022,813.16
  6. Step 6: Final answer
    x = 469,289.83

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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.