Home / 1,228,451.83-1,695,240.50-684,575.64

Finding the Fourth Proportional to 1,228,451.83, 1,695,240.50 and 684,575.64

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Solution

The fourth proportional to 1,228,451.83, 1,695,240.50 and 684,575.64 is: 944,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,451.83 : 1,695,240.50 = 684,575.64 : x
  2. Step 2: Convert to fraction form
    1,228,451.83/1,695,240.50 = 684,575.64/x
  3. Step 3: Cross multiply
    1,228,451.83x = 1,695,240.50 × 684,575.64
  4. Step 4: Simplify right side
    1,228,451.83x = 1,160,520,346,818.54
  5. Step 5: Solve for x
    x = 1,160,520,346,818.54/1,228,451.83
  6. Step 6: Final answer
    x = 944,701.55

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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.