Home / 875,918.12-1,208,560.71-531,745.37

Finding the Fourth Proportional to 875,918.12, 1,208,560.71 and 531,745.37

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Solution

The fourth proportional to 875,918.12, 1,208,560.71 and 531,745.37 is: 733,683.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,918.12 : 1,208,560.71 = 531,745.37 : x
  2. Step 2: Convert to fraction form
    875,918.12/1,208,560.71 = 531,745.37/x
  3. Step 3: Cross multiply
    875,918.12x = 1,208,560.71 × 531,745.37
  4. Step 4: Simplify right side
    875,918.12x = 642,646,559,247.69
  5. Step 5: Solve for x
    x = 642,646,559,247.69/875,918.12
  6. Step 6: Final answer
    x = 733,683.38

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1.5x scale

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.