Home / 744,797.26-1,027,815.51-405,266.86

Finding the Fourth Proportional to 744,797.26, 1,027,815.51 and 405,266.86

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Solution

The fourth proportional to 744,797.26, 1,027,815.51 and 405,266.86 is: 559,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,797.26 : 1,027,815.51 = 405,266.86 : x
  2. Step 2: Convert to fraction form
    744,797.26/1,027,815.51 = 405,266.86/x
  3. Step 3: Cross multiply
    744,797.26x = 1,027,815.51 × 405,266.86
  4. Step 4: Simplify right side
    744,797.26x = 416,539,564,397.00
  5. Step 5: Solve for x
    x = 416,539,564,397.00/744,797.26
  6. Step 6: Final answer
    x = 559,265.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.