Home / 404,586.78-556,831.71-296,986.38

Finding the Fourth Proportional to 404,586.78, 556,831.71 and 296,986.38

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Solution

The fourth proportional to 404,586.78, 556,831.71 and 296,986.38 is: 408,741.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,586.78 : 556,831.71 = 296,986.38 : x
  2. Step 2: Convert to fraction form
    404,586.78/556,831.71 = 296,986.38/x
  3. Step 3: Cross multiply
    404,586.78x = 556,831.71 × 296,986.38
  4. Step 4: Simplify right side
    404,586.78x = 165,371,433,822.11
  5. Step 5: Solve for x
    x = 165,371,433,822.11/404,586.78
  6. Step 6: Final answer
    x = 408,741.57

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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.