Home / 1,622,416.42-2,433,438.70-424,454.34

Finding the Fourth Proportional to 1,622,416.42, 2,433,438.70 and 424,454.34

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Solution

The fourth proportional to 1,622,416.42, 2,433,438.70 and 424,454.34 is: 636,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,416.42 : 2,433,438.70 = 424,454.34 : x
  2. Step 2: Convert to fraction form
    1,622,416.42/2,433,438.70 = 424,454.34/x
  3. Step 3: Cross multiply
    1,622,416.42x = 2,433,438.70 × 424,454.34
  4. Step 4: Simplify right side
    1,622,416.42x = 1,032,883,617,338.96
  5. Step 5: Solve for x
    x = 1,032,883,617,338.96/1,622,416.42
  6. Step 6: Final answer
    x = 636,632.87

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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.