Home / 785,655.20-1,084,123.39-441,436.43

Finding the Fourth Proportional to 785,655.20, 1,084,123.39 and 441,436.43

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Solution

The fourth proportional to 785,655.20, 1,084,123.39 and 441,436.43 is: 609,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,655.20 : 1,084,123.39 = 441,436.43 : x
  2. Step 2: Convert to fraction form
    785,655.20/1,084,123.39 = 441,436.43/x
  3. Step 3: Cross multiply
    785,655.20x = 1,084,123.39 × 441,436.43
  4. Step 4: Simplify right side
    785,655.20x = 478,571,561,395.51
  5. Step 5: Solve for x
    x = 478,571,561,395.51/785,655.20
  6. Step 6: Final answer
    x = 609,136.89

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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.