Home / 996,454.80-1,494,900.90-322,421.40

Finding the Fourth Proportional to 996,454.80, 1,494,900.90 and 322,421.40

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Solution

The fourth proportional to 996,454.80, 1,494,900.90 and 322,421.40 is: 483,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,454.80 : 1,494,900.90 = 322,421.40 : x
  2. Step 2: Convert to fraction form
    996,454.80/1,494,900.90 = 322,421.40/x
  3. Step 3: Cross multiply
    996,454.80x = 1,494,900.90 × 322,421.40
  4. Step 4: Simplify right side
    996,454.80x = 481,988,041,039.26
  5. Step 5: Solve for x
    x = 481,988,041,039.26/996,454.80
  6. Step 6: Final answer
    x = 483,702.86

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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.