Home / 785,556.81-1,084,160.88-441,393.48

Finding the Fourth Proportional to 785,556.81, 1,084,160.88 and 441,393.48

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Solution

The fourth proportional to 785,556.81, 1,084,160.88 and 441,393.48 is: 609,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,556.81 : 1,084,160.88 = 441,393.48 : x
  2. Step 2: Convert to fraction form
    785,556.81/1,084,160.88 = 441,393.48/x
  3. Step 3: Cross multiply
    785,556.81x = 1,084,160.88 × 441,393.48
  4. Step 4: Simplify right side
    785,556.81x = 478,541,543,703.06
  5. Step 5: Solve for x
    x = 478,541,543,703.06/785,556.81
  6. Step 6: Final answer
    x = 609,174.97

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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.