Home / 509,821.36-764,284.92-194,068.24

Finding the Fourth Proportional to 509,821.36, 764,284.92 and 194,068.24

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Solution

The fourth proportional to 509,821.36, 764,284.92 and 194,068.24 is: 290,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,821.36 : 764,284.92 = 194,068.24 : x
  2. Step 2: Convert to fraction form
    509,821.36/764,284.92 = 194,068.24/x
  3. Step 3: Cross multiply
    509,821.36x = 764,284.92 × 194,068.24
  4. Step 4: Simplify right side
    509,821.36x = 148,323,429,282.94
  5. Step 5: Solve for x
    x = 148,323,429,282.94/509,821.36
  6. Step 6: Final answer
    x = 290,932.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.