Home / 1,215,443.64-1,823,254.11-416,718.42

Finding the Fourth Proportional to 1,215,443.64, 1,823,254.11 and 416,718.42

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Solution

The fourth proportional to 1,215,443.64, 1,823,254.11 and 416,718.42 is: 625,108.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,443.64 : 1,823,254.11 = 416,718.42 : x
  2. Step 2: Convert to fraction form
    1,215,443.64/1,823,254.11 = 416,718.42/x
  3. Step 3: Cross multiply
    1,215,443.64x = 1,823,254.11 × 416,718.42
  4. Step 4: Simplify right side
    1,215,443.64x = 759,783,571,977.71
  5. Step 5: Solve for x
    x = 759,783,571,977.71/1,215,443.64
  6. Step 6: Final answer
    x = 625,108.02

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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.