Home / 1,290,236.08-1,934,145.45-436,710.46

Finding the Fourth Proportional to 1,290,236.08, 1,934,145.45 and 436,710.46

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Solution

The fourth proportional to 1,290,236.08, 1,934,145.45 and 436,710.46 is: 654,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,236.08 : 1,934,145.45 = 436,710.46 : x
  2. Step 2: Convert to fraction form
    1,290,236.08/1,934,145.45 = 436,710.46/x
  3. Step 3: Cross multiply
    1,290,236.08x = 1,934,145.45 × 436,710.46
  4. Step 4: Simplify right side
    1,290,236.08x = 844,661,539,505.68
  5. Step 5: Solve for x
    x = 844,661,539,505.68/1,290,236.08
  6. Step 6: Final answer
    x = 654,656.58

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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.