Home / 833,898.75-1,150,903.80-528,003.57

Finding the Fourth Proportional to 833,898.75, 1,150,903.80 and 528,003.57

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Solution

The fourth proportional to 833,898.75, 1,150,903.80 and 528,003.57 is: 728,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,898.75 : 1,150,903.80 = 528,003.57 : x
  2. Step 2: Convert to fraction form
    833,898.75/1,150,903.80 = 528,003.57/x
  3. Step 3: Cross multiply
    833,898.75x = 1,150,903.80 × 528,003.57
  4. Step 4: Simplify right side
    833,898.75x = 607,681,315,126.57
  5. Step 5: Solve for x
    x = 607,681,315,126.57/833,898.75
  6. Step 6: Final answer
    x = 728,723.14

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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.