Home / 657,112.69-906,795.16-370,628.65

Finding the Fourth Proportional to 657,112.69, 906,795.16 and 370,628.65

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Solution

The fourth proportional to 657,112.69, 906,795.16 and 370,628.65 is: 511,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,112.69 : 906,795.16 = 370,628.65 : x
  2. Step 2: Convert to fraction form
    657,112.69/906,795.16 = 370,628.65/x
  3. Step 3: Cross multiply
    657,112.69x = 906,795.16 × 370,628.65
  4. Step 4: Simplify right side
    657,112.69x = 336,084,265,977.33
  5. Step 5: Solve for x
    x = 336,084,265,977.33/657,112.69
  6. Step 6: Final answer
    x = 511,456.06

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Double scale
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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.