Home / 1,085,350.07-1,629,000.87-580,342.71

Finding the Fourth Proportional to 1,085,350.07, 1,629,000.87 and 580,342.71

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Solution

The fourth proportional to 1,085,350.07, 1,629,000.87 and 580,342.71 is: 871,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,350.07 : 1,629,000.87 = 580,342.71 : x
  2. Step 2: Convert to fraction form
    1,085,350.07/1,629,000.87 = 580,342.71/x
  3. Step 3: Cross multiply
    1,085,350.07x = 1,629,000.87 × 580,342.71
  4. Step 4: Simplify right side
    1,085,350.07x = 945,378,779,488.16
  5. Step 5: Solve for x
    x = 945,378,779,488.16/1,085,350.07
  6. Step 6: Final answer
    x = 871,035.82

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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.