Home / 1,408,263.96-1,943,404.71-763,683.96

Finding the Fourth Proportional to 1,408,263.96, 1,943,404.71 and 763,683.96

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Solution

The fourth proportional to 1,408,263.96, 1,943,404.71 and 763,683.96 is: 1,053,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,263.96 : 1,943,404.71 = 763,683.96 : x
  2. Step 2: Convert to fraction form
    1,408,263.96/1,943,404.71 = 763,683.96/x
  3. Step 3: Cross multiply
    1,408,263.96x = 1,943,404.71 × 763,683.96
  4. Step 4: Simplify right side
    1,408,263.96x = 1,484,147,004,815.45
  5. Step 5: Solve for x
    x = 1,484,147,004,815.45/1,408,263.96
  6. Step 6: Final answer
    x = 1,053,884.11

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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.