Home / 480,501.18-663,040.80-265,606.56

Finding the Fourth Proportional to 480,501.18, 663,040.80 and 265,606.56

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Solution

The fourth proportional to 480,501.18, 663,040.80 and 265,606.56 is: 366,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,501.18 : 663,040.80 = 265,606.56 : x
  2. Step 2: Convert to fraction form
    480,501.18/663,040.80 = 265,606.56/x
  3. Step 3: Cross multiply
    480,501.18x = 663,040.80 × 265,606.56
  4. Step 4: Simplify right side
    480,501.18x = 176,107,986,027.65
  5. Step 5: Solve for x
    x = 176,107,986,027.65/480,501.18
  6. Step 6: Final answer
    x = 366,508.96

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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.