Home / 434,831.60-652,247.40-185,999.60

Finding the Fourth Proportional to 434,831.60, 652,247.40 and 185,999.60

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Solution

The fourth proportional to 434,831.60, 652,247.40 and 185,999.60 is: 278,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,831.60 : 652,247.40 = 185,999.60 : x
  2. Step 2: Convert to fraction form
    434,831.60/652,247.40 = 185,999.60/x
  3. Step 3: Cross multiply
    434,831.60x = 652,247.40 × 185,999.60
  4. Step 4: Simplify right side
    434,831.60x = 121,317,755,501.04
  5. Step 5: Solve for x
    x = 121,317,755,501.04/434,831.60
  6. Step 6: Final answer
    x = 278,999.40

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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.