Home / 867,406.17-1,197,755.31-545,220.03

Finding the Fourth Proportional to 867,406.17, 1,197,755.31 and 545,220.03

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Solution

The fourth proportional to 867,406.17, 1,197,755.31 and 545,220.03 is: 752,865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,406.17 : 1,197,755.31 = 545,220.03 : x
  2. Step 2: Convert to fraction form
    867,406.17/1,197,755.31 = 545,220.03/x
  3. Step 3: Cross multiply
    867,406.17x = 1,197,755.31 × 545,220.03
  4. Step 4: Simplify right side
    867,406.17x = 653,040,180,062.08
  5. Step 5: Solve for x
    x = 653,040,180,062.08/867,406.17
  6. Step 6: Final answer
    x = 752,865.50

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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.