Home / 682,128.51-941,099.64-437,248.31

Finding the Fourth Proportional to 682,128.51, 941,099.64 and 437,248.31

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Solution

The fourth proportional to 682,128.51, 941,099.64 and 437,248.31 is: 603,250.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,128.51 : 941,099.64 = 437,248.31 : x
  2. Step 2: Convert to fraction form
    682,128.51/941,099.64 = 437,248.31/x
  3. Step 3: Cross multiply
    682,128.51x = 941,099.64 × 437,248.31
  4. Step 4: Simplify right side
    682,128.51x = 411,494,222,426.11
  5. Step 5: Solve for x
    x = 411,494,222,426.11/682,128.51
  6. Step 6: Final answer
    x = 603,250.29

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Double scale
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Similar ratio
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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.