Home / 1,383,226.14-1,909,328.31-810,451.74

Finding the Fourth Proportional to 1,383,226.14, 1,909,328.31 and 810,451.74

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Solution

The fourth proportional to 1,383,226.14, 1,909,328.31 and 810,451.74 is: 1,118,702.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,226.14 : 1,909,328.31 = 810,451.74 : x
  2. Step 2: Convert to fraction form
    1,383,226.14/1,909,328.31 = 810,451.74/x
  3. Step 3: Cross multiply
    1,383,226.14x = 1,909,328.31 × 810,451.74
  4. Step 4: Simplify right side
    1,383,226.14x = 1,547,418,451,070.76
  5. Step 5: Solve for x
    x = 1,547,418,451,070.76/1,383,226.14
  6. Step 6: Final answer
    x = 1,118,702.44

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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.