Home / 1,761,591-2,642,518.26-499,520.28

Finding the Fourth Proportional to 1,761,591, 2,642,518.26 and 499,520.28

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Solution

The fourth proportional to 1,761,591, 2,642,518.26 and 499,520.28 is: 749,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,591 : 2,642,518.26 = 499,520.28 : x
  2. Step 2: Convert to fraction form
    1,761,591/2,642,518.26 = 499,520.28/x
  3. Step 3: Cross multiply
    1,761,591x = 2,642,518.26 × 499,520.28
  4. Step 4: Simplify right side
    1,761,591x = 1,319,991,461,140.31
  5. Step 5: Solve for x
    x = 1,319,991,461,140.31/1,761,591
  6. Step 6: Final answer
    x = 749,317.78

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1.5x scale

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.