Home / 657,054.23-906,928.76-385,180.97

Finding the Fourth Proportional to 657,054.23, 906,928.76 and 385,180.97

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Solution

The fourth proportional to 657,054.23, 906,928.76 and 385,180.97 is: 531,663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,054.23 : 906,928.76 = 385,180.97 : x
  2. Step 2: Convert to fraction form
    657,054.23/906,928.76 = 385,180.97/x
  3. Step 3: Cross multiply
    657,054.23x = 906,928.76 × 385,180.97
  4. Step 4: Simplify right side
    657,054.23x = 349,331,693,037.15
  5. Step 5: Solve for x
    x = 349,331,693,037.15/657,054.23
  6. Step 6: Final answer
    x = 531,663.41

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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.