Home / 1,029,045.15-1,419,629.96-620,919.36

Finding the Fourth Proportional to 1,029,045.15, 1,419,629.96 and 620,919.36

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Solution

The fourth proportional to 1,029,045.15, 1,419,629.96 and 620,919.36 is: 856,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,045.15 : 1,419,629.96 = 620,919.36 : x
  2. Step 2: Convert to fraction form
    1,029,045.15/1,419,629.96 = 620,919.36/x
  3. Step 3: Cross multiply
    1,029,045.15x = 1,419,629.96 × 620,919.36
  4. Step 4: Simplify right side
    1,029,045.15x = 881,475,727,752.32
  5. Step 5: Solve for x
    x = 881,475,727,752.32/1,029,045.15
  6. Step 6: Final answer
    x = 856,595.77

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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.