Home / 328,283.98-453,405.36-220,667.11

Finding the Fourth Proportional to 328,283.98, 453,405.36 and 220,667.11

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Solution

The fourth proportional to 328,283.98, 453,405.36 and 220,667.11 is: 304,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,283.98 : 453,405.36 = 220,667.11 : x
  2. Step 2: Convert to fraction form
    328,283.98/453,405.36 = 220,667.11/x
  3. Step 3: Cross multiply
    328,283.98x = 453,405.36 × 220,667.11
  4. Step 4: Simplify right side
    328,283.98x = 100,051,650,449.71
  5. Step 5: Solve for x
    x = 100,051,650,449.71/328,283.98
  6. Step 6: Final answer
    x = 304,771.65

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1.5x scale

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.