Home / 556,035.60-767,260.44-394,831.83

Finding the Fourth Proportional to 556,035.60, 767,260.44 and 394,831.83

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Solution

The fourth proportional to 556,035.60, 767,260.44 and 394,831.83 is: 544,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,035.60 : 767,260.44 = 394,831.83 : x
  2. Step 2: Convert to fraction form
    556,035.60/767,260.44 = 394,831.83/x
  3. Step 3: Cross multiply
    556,035.60x = 767,260.44 × 394,831.83
  4. Step 4: Simplify right side
    556,035.60x = 302,938,843,611.81
  5. Step 5: Solve for x
    x = 302,938,843,611.81/556,035.60
  6. Step 6: Final answer
    x = 544,819.15

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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.