Home / 862,831.71-1,190,711.75-500,470.11

Finding the Fourth Proportional to 862,831.71, 1,190,711.75 and 500,470.11

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Solution

The fourth proportional to 862,831.71, 1,190,711.75 and 500,470.11 is: 690,651.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,831.71 : 1,190,711.75 = 500,470.11 : x
  2. Step 2: Convert to fraction form
    862,831.71/1,190,711.75 = 500,470.11/x
  3. Step 3: Cross multiply
    862,831.71x = 1,190,711.75 × 500,470.11
  4. Step 4: Simplify right side
    862,831.71x = 595,915,637,998.44
  5. Step 5: Solve for x
    x = 595,915,637,998.44/862,831.71
  6. Step 6: Final answer
    x = 690,651.06

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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.