Home / 1,139,568.16-1,708,853.44-540,700.32

Finding the Fourth Proportional to 1,139,568.16, 1,708,853.44 and 540,700.32

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Solution

The fourth proportional to 1,139,568.16, 1,708,853.44 and 540,700.32 is: 810,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,568.16 : 1,708,853.44 = 540,700.32 : x
  2. Step 2: Convert to fraction form
    1,139,568.16/1,708,853.44 = 540,700.32/x
  3. Step 3: Cross multiply
    1,139,568.16x = 1,708,853.44 × 540,700.32
  4. Step 4: Simplify right side
    1,139,568.16x = 923,977,601,841.10
  5. Step 5: Solve for x
    x = 923,977,601,841.10/1,139,568.16
  6. Step 6: Final answer
    x = 810,813.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.