Home / 328,282.97-453,403.98-220,666.10

Finding the Fourth Proportional to 328,282.97, 453,403.98 and 220,666.10

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Solution

The fourth proportional to 328,282.97, 453,403.98 and 220,666.10 is: 304,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,282.97 : 453,403.98 = 220,666.10 : x
  2. Step 2: Convert to fraction form
    328,282.97/453,403.98 = 220,666.10/x
  3. Step 3: Cross multiply
    328,282.97x = 453,403.98 × 220,666.10
  4. Step 4: Simplify right side
    328,282.97x = 100,050,885,724.06
  5. Step 5: Solve for x
    x = 100,050,885,724.06/328,282.97
  6. Step 6: Final answer
    x = 304,770.26

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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.