Home / 682,130.51-941,102.40-437,250.31

Finding the Fourth Proportional to 682,130.51, 941,102.40 and 437,250.31

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Solution

The fourth proportional to 682,130.51, 941,102.40 and 437,250.31 is: 603,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,130.51 : 941,102.40 = 437,250.31 : x
  2. Step 2: Convert to fraction form
    682,130.51/941,102.40 = 437,250.31/x
  3. Step 3: Cross multiply
    682,130.51x = 941,102.40 × 437,250.31
  4. Step 4: Simplify right side
    682,130.51x = 411,497,316,141.74
  5. Step 5: Solve for x
    x = 411,497,316,141.74/682,130.51
  6. Step 6: Final answer
    x = 603,253.06

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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.