Home / 940,811.45-1,298,330.87-511,098.35

Finding the Fourth Proportional to 940,811.45, 1,298,330.87 and 511,098.35

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Solution

The fourth proportional to 940,811.45, 1,298,330.87 and 511,098.35 is: 705,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,811.45 : 1,298,330.87 = 511,098.35 : x
  2. Step 2: Convert to fraction form
    940,811.45/1,298,330.87 = 511,098.35/x
  3. Step 3: Cross multiply
    940,811.45x = 1,298,330.87 × 511,098.35
  4. Step 4: Simplify right side
    940,811.45x = 663,574,756,363.92
  5. Step 5: Solve for x
    x = 663,574,756,363.92/940,811.45
  6. Step 6: Final answer
    x = 705,321.73

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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.