Home / 424,821.98-637,626.77-214,607.54

Finding the Fourth Proportional to 424,821.98, 637,626.77 and 214,607.54

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Solution

The fourth proportional to 424,821.98, 637,626.77 and 214,607.54 is: 322,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,821.98 : 637,626.77 = 214,607.54 : x
  2. Step 2: Convert to fraction form
    424,821.98/637,626.77 = 214,607.54/x
  3. Step 3: Cross multiply
    424,821.98x = 637,626.77 × 214,607.54
  4. Step 4: Simplify right side
    424,821.98x = 136,839,512,547.85
  5. Step 5: Solve for x
    x = 136,839,512,547.85/424,821.98
  6. Step 6: Final answer
    x = 322,110.25

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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.