Home / 544,634.69-751,543.21-315,146.19

Finding the Fourth Proportional to 544,634.69, 751,543.21 and 315,146.19

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Solution

The fourth proportional to 544,634.69, 751,543.21 and 315,146.19 is: 434,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,634.69 : 751,543.21 = 315,146.19 : x
  2. Step 2: Convert to fraction form
    544,634.69/751,543.21 = 315,146.19/x
  3. Step 3: Cross multiply
    544,634.69x = 751,543.21 × 315,146.19
  4. Step 4: Simplify right side
    544,634.69x = 236,845,982,464.09
  5. Step 5: Solve for x
    x = 236,845,982,464.09/544,634.69
  6. Step 6: Final answer
    x = 434,871.28

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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.