Home / 1,139,954.45-1,573,138.67-623,756.84

Finding the Fourth Proportional to 1,139,954.45, 1,573,138.67 and 623,756.84

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Solution

The fourth proportional to 1,139,954.45, 1,573,138.67 and 623,756.84 is: 860,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,954.45 : 1,573,138.67 = 623,756.84 : x
  2. Step 2: Convert to fraction form
    1,139,954.45/1,573,138.67 = 623,756.84/x
  3. Step 3: Cross multiply
    1,139,954.45x = 1,573,138.67 × 623,756.84
  4. Step 4: Simplify right side
    1,139,954.45x = 981,255,994,696.53
  5. Step 5: Solve for x
    x = 981,255,994,696.53/1,139,954.45
  6. Step 6: Final answer
    x = 860,785.27

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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.