Home / 1,249,906.70-1,724,862.66-676,933.76

Finding the Fourth Proportional to 1,249,906.70, 1,724,862.66 and 676,933.76

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Solution

The fourth proportional to 1,249,906.70, 1,724,862.66 and 676,933.76 is: 934,163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,906.70 : 1,724,862.66 = 676,933.76 : x
  2. Step 2: Convert to fraction form
    1,249,906.70/1,724,862.66 = 676,933.76/x
  3. Step 3: Cross multiply
    1,249,906.70x = 1,724,862.66 × 676,933.76
  4. Step 4: Simplify right side
    1,249,906.70x = 1,167,617,765,917.40
  5. Step 5: Solve for x
    x = 1,167,617,765,917.40/1,249,906.70
  6. Step 6: Final answer
    x = 934,163.94

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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.