Home / 1,225,633.20-1,838,745.12-384,184.95

Finding the Fourth Proportional to 1,225,633.20, 1,838,745.12 and 384,184.95

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Solution

The fourth proportional to 1,225,633.20, 1,838,745.12 and 384,184.95 is: 576,370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,633.20 : 1,838,745.12 = 384,184.95 : x
  2. Step 2: Convert to fraction form
    1,225,633.20/1,838,745.12 = 384,184.95/x
  3. Step 3: Cross multiply
    1,225,633.20x = 1,838,745.12 × 384,184.95
  4. Step 4: Simplify right side
    1,225,633.20x = 706,418,201,989.94
  5. Step 5: Solve for x
    x = 706,418,201,989.94/1,225,633.20
  6. Step 6: Final answer
    x = 576,370.00

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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.