Home / 1,039,120.33-1,559,129.52-558,786.71

Finding the Fourth Proportional to 1,039,120.33, 1,559,129.52 and 558,786.71

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Solution

The fourth proportional to 1,039,120.33, 1,559,129.52 and 558,786.71 is: 838,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,120.33 : 1,559,129.52 = 558,786.71 : x
  2. Step 2: Convert to fraction form
    1,039,120.33/1,559,129.52 = 558,786.71/x
  3. Step 3: Cross multiply
    1,039,120.33x = 1,559,129.52 × 558,786.71
  4. Step 4: Simplify right side
    1,039,120.33x = 871,220,854,944.68
  5. Step 5: Solve for x
    x = 871,220,854,944.68/1,039,120.33
  6. Step 6: Final answer
    x = 838,421.53

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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.