Home / 1,211,589.60-1,817,384.40-706,720.65

Finding the Fourth Proportional to 1,211,589.60, 1,817,384.40 and 706,720.65

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Solution

The fourth proportional to 1,211,589.60, 1,817,384.40 and 706,720.65 is: 1,060,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,589.60 : 1,817,384.40 = 706,720.65 : x
  2. Step 2: Convert to fraction form
    1,211,589.60/1,817,384.40 = 706,720.65/x
  3. Step 3: Cross multiply
    1,211,589.60x = 1,817,384.40 × 706,720.65
  4. Step 4: Simplify right side
    1,211,589.60x = 1,284,383,084,467.86
  5. Step 5: Solve for x
    x = 1,284,383,084,467.86/1,211,589.60
  6. Step 6: Final answer
    x = 1,060,080.98

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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.