Home / 876,150.80-1,209,635.46-671,809.18

Finding the Fourth Proportional to 876,150.80, 1,209,635.46 and 671,809.18

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Solution

The fourth proportional to 876,150.80, 1,209,635.46 and 671,809.18 is: 927,516.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,150.80 : 1,209,635.46 = 671,809.18 : x
  2. Step 2: Convert to fraction form
    876,150.80/1,209,635.46 = 671,809.18/x
  3. Step 3: Cross multiply
    876,150.80x = 1,209,635.46 × 671,809.18
  4. Step 4: Simplify right side
    876,150.80x = 812,644,206,481.52
  5. Step 5: Solve for x
    x = 812,644,206,481.52/876,150.80
  6. Step 6: Final answer
    x = 927,516.37

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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.