Home / 730,659.69-1,008,357.66-408,383.37

Finding the Fourth Proportional to 730,659.69, 1,008,357.66 and 408,383.37

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Solution

The fourth proportional to 730,659.69, 1,008,357.66 and 408,383.37 is: 563,595.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,659.69 : 1,008,357.66 = 408,383.37 : x
  2. Step 2: Convert to fraction form
    730,659.69/1,008,357.66 = 408,383.37/x
  3. Step 3: Cross multiply
    730,659.69x = 1,008,357.66 × 408,383.37
  4. Step 4: Simplify right side
    730,659.69x = 411,796,499,356.11
  5. Step 5: Solve for x
    x = 411,796,499,356.11/730,659.69
  6. Step 6: Final answer
    x = 563,595.48

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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.