Home / 1,180,059.52-1,769,722.80-421,795.84

Finding the Fourth Proportional to 1,180,059.52, 1,769,722.80 and 421,795.84

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Solution

The fourth proportional to 1,180,059.52, 1,769,722.80 and 421,795.84 is: 632,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,059.52 : 1,769,722.80 = 421,795.84 : x
  2. Step 2: Convert to fraction form
    1,180,059.52/1,769,722.80 = 421,795.84/x
  3. Step 3: Cross multiply
    1,180,059.52x = 1,769,722.80 × 421,795.84
  4. Step 4: Simplify right side
    1,180,059.52x = 746,461,714,993.15
  5. Step 5: Solve for x
    x = 746,461,714,993.15/1,180,059.52
  6. Step 6: Final answer
    x = 632,562.77

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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.