Home / 706,943.55-1,059,077.35-417,889.80

Finding the Fourth Proportional to 706,943.55, 1,059,077.35 and 417,889.80

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Solution

The fourth proportional to 706,943.55, 1,059,077.35 and 417,889.80 is: 626,043.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,943.55 : 1,059,077.35 = 417,889.80 : x
  2. Step 2: Convert to fraction form
    706,943.55/1,059,077.35 = 417,889.80/x
  3. Step 3: Cross multiply
    706,943.55x = 1,059,077.35 × 417,889.80
  4. Step 4: Simplify right side
    706,943.55x = 442,577,621,976.03
  5. Step 5: Solve for x
    x = 442,577,621,976.03/706,943.55
  6. Step 6: Final answer
    x = 626,043.79

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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.