Home / 725,258.01-1,000,546.05-453,140.54

Finding the Fourth Proportional to 725,258.01, 1,000,546.05 and 453,140.54

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Solution

The fourth proportional to 725,258.01, 1,000,546.05 and 453,140.54 is: 625,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,258.01 : 1,000,546.05 = 453,140.54 : x
  2. Step 2: Convert to fraction form
    725,258.01/1,000,546.05 = 453,140.54/x
  3. Step 3: Cross multiply
    725,258.01x = 1,000,546.05 × 453,140.54
  4. Step 4: Simplify right side
    725,258.01x = 453,387,977,391.87
  5. Step 5: Solve for x
    x = 453,387,977,391.87/725,258.01
  6. Step 6: Final answer
    x = 625,140.26

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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.