Home / 1,408,251.93-1,943,388.15-763,671.96

Finding the Fourth Proportional to 1,408,251.93, 1,943,388.15 and 763,671.96

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Solution

The fourth proportional to 1,408,251.93, 1,943,388.15 and 763,671.96 is: 1,053,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,251.93 : 1,943,388.15 = 763,671.96 : x
  2. Step 2: Convert to fraction form
    1,408,251.93/1,943,388.15 = 763,671.96/x
  3. Step 3: Cross multiply
    1,408,251.93x = 1,943,388.15 × 763,671.96
  4. Step 4: Simplify right side
    1,408,251.93x = 1,484,111,037,551.27
  5. Step 5: Solve for x
    x = 1,484,111,037,551.27/1,408,251.93
  6. Step 6: Final answer
    x = 1,053,867.57

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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.