Home / 328,421.86-453,253.59-205,933.75

Finding the Fourth Proportional to 328,421.86, 453,253.59 and 205,933.75

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Solution

The fourth proportional to 328,421.86, 453,253.59 and 205,933.75 is: 284,208.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,421.86 : 453,253.59 = 205,933.75 : x
  2. Step 2: Convert to fraction form
    328,421.86/453,253.59 = 205,933.75/x
  3. Step 3: Cross multiply
    328,421.86x = 453,253.59 × 205,933.75
  4. Step 4: Simplify right side
    328,421.86x = 93,340,210,356.53
  5. Step 5: Solve for x
    x = 93,340,210,356.53/328,421.86
  6. Step 6: Final answer
    x = 284,208.28

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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.