Home / 1,040,260.64-1,435,542.72-581,381.60

Finding the Fourth Proportional to 1,040,260.64, 1,435,542.72 and 581,381.60

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Solution

The fourth proportional to 1,040,260.64, 1,435,542.72 and 581,381.60 is: 802,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,260.64 : 1,435,542.72 = 581,381.60 : x
  2. Step 2: Convert to fraction form
    1,040,260.64/1,435,542.72 = 581,381.60/x
  3. Step 3: Cross multiply
    1,040,260.64x = 1,435,542.72 × 581,381.60
  4. Step 4: Simplify right side
    1,040,260.64x = 834,598,123,421.95
  5. Step 5: Solve for x
    x = 834,598,123,421.95/1,040,260.64
  6. Step 6: Final answer
    x = 802,297.13

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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.