Home / 456,957.04-685,878.36-220,466.04

Finding the Fourth Proportional to 456,957.04, 685,878.36 and 220,466.04

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Solution

The fourth proportional to 456,957.04, 685,878.36 and 220,466.04 is: 330,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,957.04 : 685,878.36 = 220,466.04 : x
  2. Step 2: Convert to fraction form
    456,957.04/685,878.36 = 220,466.04/x
  3. Step 3: Cross multiply
    456,957.04x = 685,878.36 × 220,466.04
  4. Step 4: Simplify right side
    456,957.04x = 151,212,885,950.89
  5. Step 5: Solve for x
    x = 151,212,885,950.89/456,957.04
  6. Step 6: Final answer
    x = 330,912.70

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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.