Home / 722,551.04-1,083,861.12-348,888.32

Finding the Fourth Proportional to 722,551.04, 1,083,861.12 and 348,888.32

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Solution

The fourth proportional to 722,551.04, 1,083,861.12 and 348,888.32 is: 523,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,551.04 : 1,083,861.12 = 348,888.32 : x
  2. Step 2: Convert to fraction form
    722,551.04/1,083,861.12 = 348,888.32/x
  3. Step 3: Cross multiply
    722,551.04x = 1,083,861.12 × 348,888.32
  4. Step 4: Simplify right side
    722,551.04x = 378,146,485,270.12
  5. Step 5: Solve for x
    x = 378,146,485,270.12/722,551.04
  6. Step 6: Final answer
    x = 523,349.17

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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.