Home / 935,688.79-1,403,284.11-261,728.29

Finding the Fourth Proportional to 935,688.79, 1,403,284.11 and 261,728.29

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Solution

The fourth proportional to 935,688.79, 1,403,284.11 and 261,728.29 is: 392,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,688.79 : 1,403,284.11 = 261,728.29 : x
  2. Step 2: Convert to fraction form
    935,688.79/1,403,284.11 = 261,728.29/x
  3. Step 3: Cross multiply
    935,688.79x = 1,403,284.11 × 261,728.29
  4. Step 4: Simplify right side
    935,688.79x = 367,279,150,494.47
  5. Step 5: Solve for x
    x = 367,279,150,494.47/935,688.79
  6. Step 6: Final answer
    x = 392,522.76

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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.