Home / 1,112,419.40-1,535,169-629,056.86

Finding the Fourth Proportional to 1,112,419.40, 1,535,169 and 629,056.86

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Solution

The fourth proportional to 1,112,419.40, 1,535,169 and 629,056.86 is: 868,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,419.40 : 1,535,169 = 629,056.86 : x
  2. Step 2: Convert to fraction form
    1,112,419.40/1,535,169 = 629,056.86/x
  3. Step 3: Cross multiply
    1,112,419.40x = 1,535,169 × 629,056.86
  4. Step 4: Simplify right side
    1,112,419.40x = 965,708,590,709.34
  5. Step 5: Solve for x
    x = 965,708,590,709.34/1,112,419.40
  6. Step 6: Final answer
    x = 868,115.56

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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.