Home / 714,831.60-1,072,247.40-189,519.60

Finding the Fourth Proportional to 714,831.60, 1,072,247.40 and 189,519.60

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Solution

The fourth proportional to 714,831.60, 1,072,247.40 and 189,519.60 is: 284,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,831.60 : 1,072,247.40 = 189,519.60 : x
  2. Step 2: Convert to fraction form
    714,831.60/1,072,247.40 = 189,519.60/x
  3. Step 3: Cross multiply
    714,831.60x = 1,072,247.40 × 189,519.60
  4. Step 4: Simplify right side
    714,831.60x = 203,211,898,349.04
  5. Step 5: Solve for x
    x = 203,211,898,349.04/714,831.60
  6. Step 6: Final answer
    x = 284,279.40

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1.5x scale

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.