Home / 815,608.20-1,125,501.22-453,055.40

Finding the Fourth Proportional to 815,608.20, 1,125,501.22 and 453,055.40

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Solution

The fourth proportional to 815,608.20, 1,125,501.22 and 453,055.40 is: 625,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,608.20 : 1,125,501.22 = 453,055.40 : x
  2. Step 2: Convert to fraction form
    815,608.20/1,125,501.22 = 453,055.40/x
  3. Step 3: Cross multiply
    815,608.20x = 1,125,501.22 × 453,055.40
  4. Step 4: Simplify right side
    815,608.20x = 509,914,405,427.59
  5. Step 5: Solve for x
    x = 509,914,405,427.59/815,608.20
  6. Step 6: Final answer
    x = 625,195.29

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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.