Home / 404,585.28-556,829.64-296,984.88

Finding the Fourth Proportional to 404,585.28, 556,829.64 and 296,984.88

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Solution

The fourth proportional to 404,585.28, 556,829.64 and 296,984.88 is: 408,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,585.28 : 556,829.64 = 296,984.88 : x
  2. Step 2: Convert to fraction form
    404,585.28/556,829.64 = 296,984.88/x
  3. Step 3: Cross multiply
    404,585.28x = 556,829.64 × 296,984.88
  4. Step 4: Simplify right side
    404,585.28x = 165,369,983,815.84
  5. Step 5: Solve for x
    x = 165,369,983,815.84/404,585.28
  6. Step 6: Final answer
    x = 408,739.50

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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.