Home / 876,636.75-1,313,857.42-470,831.71

Finding the Fourth Proportional to 876,636.75, 1,313,857.42 and 470,831.71

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Solution

The fourth proportional to 876,636.75, 1,313,857.42 and 470,831.71 is: 705,658.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,636.75 : 1,313,857.42 = 470,831.71 : x
  2. Step 2: Convert to fraction form
    876,636.75/1,313,857.42 = 470,831.71/x
  3. Step 3: Cross multiply
    876,636.75x = 1,313,857.42 × 470,831.71
  4. Step 4: Simplify right side
    876,636.75x = 618,605,735,754.79
  5. Step 5: Solve for x
    x = 618,605,735,754.79/876,636.75
  6. Step 6: Final answer
    x = 705,658.00

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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.