Home / 1,139,858.64-1,572,958.44-656,442

Finding the Fourth Proportional to 1,139,858.64, 1,572,958.44 and 656,442

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Solution

The fourth proportional to 1,139,858.64, 1,572,958.44 and 656,442 is: 905,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,858.64 : 1,572,958.44 = 656,442 : x
  2. Step 2: Convert to fraction form
    1,139,858.64/1,572,958.44 = 656,442/x
  3. Step 3: Cross multiply
    1,139,858.64x = 1,572,958.44 × 656,442
  4. Step 4: Simplify right side
    1,139,858.64x = 1,032,555,984,270.48
  5. Step 5: Solve for x
    x = 1,032,555,984,270.48/1,139,858.64
  6. Step 6: Final answer
    x = 905,863.19

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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.