Home / 423,039.06-633,712.59-254,466.18

Finding the Fourth Proportional to 423,039.06, 633,712.59 and 254,466.18

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Solution

The fourth proportional to 423,039.06, 633,712.59 and 254,466.18 is: 381,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,039.06 : 633,712.59 = 254,466.18 : x
  2. Step 2: Convert to fraction form
    423,039.06/633,712.59 = 254,466.18/x
  3. Step 3: Cross multiply
    423,039.06x = 633,712.59 × 254,466.18
  4. Step 4: Simplify right side
    423,039.06x = 161,258,421,995.21
  5. Step 5: Solve for x
    x = 161,258,421,995.21/423,039.06
  6. Step 6: Final answer
    x = 381,190.38

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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.