Home / 870,073.26-1,201,215.87-548,059.38

Finding the Fourth Proportional to 870,073.26, 1,201,215.87 and 548,059.38

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Solution

The fourth proportional to 870,073.26, 1,201,215.87 and 548,059.38 is: 756,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,073.26 : 1,201,215.87 = 548,059.38 : x
  2. Step 2: Convert to fraction form
    870,073.26/1,201,215.87 = 548,059.38/x
  3. Step 3: Cross multiply
    870,073.26x = 1,201,215.87 × 548,059.38
  4. Step 4: Simplify right side
    870,073.26x = 658,337,624,958.36
  5. Step 5: Solve for x
    x = 658,337,624,958.36/870,073.26
  6. Step 6: Final answer
    x = 756,646.20

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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.