Home / 985,065.15-1,477,475.43-265,463.12

Finding the Fourth Proportional to 985,065.15, 1,477,475.43 and 265,463.12

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Solution

The fourth proportional to 985,065.15, 1,477,475.43 and 265,463.12 is: 398,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,065.15 : 1,477,475.43 = 265,463.12 : x
  2. Step 2: Convert to fraction form
    985,065.15/1,477,475.43 = 265,463.12/x
  3. Step 3: Cross multiply
    985,065.15x = 1,477,475.43 × 265,463.12
  4. Step 4: Simplify right side
    985,065.15x = 392,215,237,371.14
  5. Step 5: Solve for x
    x = 392,215,237,371.14/985,065.15
  6. Step 6: Final answer
    x = 398,161.72

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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.