Home / 438,086.13-656,846.69-171,873.56

Finding the Fourth Proportional to 438,086.13, 656,846.69 and 171,873.56

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Solution

The fourth proportional to 438,086.13, 656,846.69 and 171,873.56 is: 257,699.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,086.13 : 656,846.69 = 171,873.56 : x
  2. Step 2: Convert to fraction form
    438,086.13/656,846.69 = 171,873.56/x
  3. Step 3: Cross multiply
    438,086.13x = 656,846.69 × 171,873.56
  4. Step 4: Simplify right side
    438,086.13x = 112,894,574,840.92
  5. Step 5: Solve for x
    x = 112,894,574,840.92/438,086.13
  6. Step 6: Final answer
    x = 257,699.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.