Home / 762,685.56-1,052,481.06-423,178.92

Finding the Fourth Proportional to 762,685.56, 1,052,481.06 and 423,178.92

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Solution

The fourth proportional to 762,685.56, 1,052,481.06 and 423,178.92 is: 583,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,685.56 : 1,052,481.06 = 423,178.92 : x
  2. Step 2: Convert to fraction form
    762,685.56/1,052,481.06 = 423,178.92/x
  3. Step 3: Cross multiply
    762,685.56x = 1,052,481.06 × 423,178.92
  4. Step 4: Simplify right side
    762,685.56x = 445,387,798,291.26
  5. Step 5: Solve for x
    x = 445,387,798,291.26/762,685.56
  6. Step 6: Final answer
    x = 583,973.03

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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.