Home / 450,020.04-674,696.78-272,485.32

Finding the Fourth Proportional to 450,020.04, 674,696.78 and 272,485.32

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Solution

The fourth proportional to 450,020.04, 674,696.78 and 272,485.32 is: 408,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,020.04 : 674,696.78 = 272,485.32 : x
  2. Step 2: Convert to fraction form
    450,020.04/674,696.78 = 272,485.32/x
  3. Step 3: Cross multiply
    450,020.04x = 674,696.78 × 272,485.32
  4. Step 4: Simplify right side
    450,020.04x = 183,844,968,001.27
  5. Step 5: Solve for x
    x = 183,844,968,001.27/450,020.04
  6. Step 6: Final answer
    x = 408,526.18

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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.