Home / 480,921.70-663,682.53-266,077.03

Finding the Fourth Proportional to 480,921.70, 663,682.53 and 266,077.03

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Solution

The fourth proportional to 480,921.70, 663,682.53 and 266,077.03 is: 367,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,921.70 : 663,682.53 = 266,077.03 : x
  2. Step 2: Convert to fraction form
    480,921.70/663,682.53 = 266,077.03/x
  3. Step 3: Cross multiply
    480,921.70x = 663,682.53 × 266,077.03
  4. Step 4: Simplify right side
    480,921.70x = 176,590,676,445.29
  5. Step 5: Solve for x
    x = 176,590,676,445.29/480,921.70
  6. Step 6: Final answer
    x = 367,192.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.