Home / 913,801.56-1,370,258.27-458,197.05

Finding the Fourth Proportional to 913,801.56, 1,370,258.27 and 458,197.05

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Solution

The fourth proportional to 913,801.56, 1,370,258.27 and 458,197.05 is: 687,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,801.56 : 1,370,258.27 = 458,197.05 : x
  2. Step 2: Convert to fraction form
    913,801.56/1,370,258.27 = 458,197.05/x
  3. Step 3: Cross multiply
    913,801.56x = 1,370,258.27 × 458,197.05
  4. Step 4: Simplify right side
    913,801.56x = 627,848,297,052.10
  5. Step 5: Solve for x
    x = 627,848,297,052.10/913,801.56
  6. Step 6: Final answer
    x = 687,072.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.