Home / 490,831.61-736,225.99-153,864.57

Finding the Fourth Proportional to 490,831.61, 736,225.99 and 153,864.57

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Solution

The fourth proportional to 490,831.61, 736,225.99 and 153,864.57 is: 230,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,831.61 : 736,225.99 = 153,864.57 : x
  2. Step 2: Convert to fraction form
    490,831.61/736,225.99 = 153,864.57/x
  3. Step 3: Cross multiply
    490,831.61x = 736,225.99 × 153,864.57
  4. Step 4: Simplify right side
    490,831.61x = 113,279,090,923.72
  5. Step 5: Solve for x
    x = 113,279,090,923.72/490,831.61
  6. Step 6: Final answer
    x = 230,790.13

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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.