Home / 1,219,590.12-1,829,039.46-769,636.92

Finding the Fourth Proportional to 1,219,590.12, 1,829,039.46 and 769,636.92

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Solution

The fourth proportional to 1,219,590.12, 1,829,039.46 and 769,636.92 is: 1,154,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,590.12 : 1,829,039.46 = 769,636.92 : x
  2. Step 2: Convert to fraction form
    1,219,590.12/1,829,039.46 = 769,636.92/x
  3. Step 3: Cross multiply
    1,219,590.12x = 1,829,039.46 × 769,636.92
  4. Step 4: Simplify right side
    1,219,590.12x = 1,407,696,296,552.86
  5. Step 5: Solve for x
    x = 1,407,696,296,552.86/1,219,590.12
  6. Step 6: Final answer
    x = 1,154,237.21

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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.