Home / 962,103.12-1,442,921.40-400,831.44

Finding the Fourth Proportional to 962,103.12, 1,442,921.40 and 400,831.44

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Solution

The fourth proportional to 962,103.12, 1,442,921.40 and 400,831.44 is: 601,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,103.12 : 1,442,921.40 = 400,831.44 : x
  2. Step 2: Convert to fraction form
    962,103.12/1,442,921.40 = 400,831.44/x
  3. Step 3: Cross multiply
    962,103.12x = 1,442,921.40 × 400,831.44
  4. Step 4: Simplify right side
    962,103.12x = 578,368,262,568.82
  5. Step 5: Solve for x
    x = 578,368,262,568.82/962,103.12
  6. Step 6: Final answer
    x = 601,149.97

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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.