Home / 1,269,236.18-1,751,535.71-688,457.87

Finding the Fourth Proportional to 1,269,236.18, 1,751,535.71 and 688,457.87

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Solution

The fourth proportional to 1,269,236.18, 1,751,535.71 and 688,457.87 is: 950,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,236.18 : 1,751,535.71 = 688,457.87 : x
  2. Step 2: Convert to fraction form
    1,269,236.18/1,751,535.71 = 688,457.87/x
  3. Step 3: Cross multiply
    1,269,236.18x = 1,751,535.71 × 688,457.87
  4. Step 4: Simplify right side
    1,269,236.18x = 1,205,858,537,099.00
  5. Step 5: Solve for x
    x = 1,205,858,537,099.00/1,269,236.18
  6. Step 6: Final answer
    x = 950,066.32

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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.