Home / 1,236,326.45-1,854,756-383,380.95

Finding the Fourth Proportional to 1,236,326.45, 1,854,756 and 383,380.95

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Solution

The fourth proportional to 1,236,326.45, 1,854,756 and 383,380.95 is: 575,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,326.45 : 1,854,756 = 383,380.95 : x
  2. Step 2: Convert to fraction form
    1,236,326.45/1,854,756 = 383,380.95/x
  3. Step 3: Cross multiply
    1,236,326.45x = 1,854,756 × 383,380.95
  4. Step 4: Simplify right side
    1,236,326.45x = 711,078,117,298.20
  5. Step 5: Solve for x
    x = 711,078,117,298.20/1,236,326.45
  6. Step 6: Final answer
    x = 575,154.01

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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.