Home / 1,291,499.64-1,781,673.18-832,761.57

Finding the Fourth Proportional to 1,291,499.64, 1,781,673.18 and 832,761.57

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Solution

The fourth proportional to 1,291,499.64, 1,781,673.18 and 832,761.57 is: 1,148,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,499.64 : 1,781,673.18 = 832,761.57 : x
  2. Step 2: Convert to fraction form
    1,291,499.64/1,781,673.18 = 832,761.57/x
  3. Step 3: Cross multiply
    1,291,499.64x = 1,781,673.18 × 832,761.57
  4. Step 4: Simplify right side
    1,291,499.64x = 1,483,708,962,846.40
  5. Step 5: Solve for x
    x = 1,483,708,962,846.40/1,291,499.64
  6. Step 6: Final answer
    x = 1,148,826.46

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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.