Home / 627,826.80-942,258.60-291,385.20

Finding the Fourth Proportional to 627,826.80, 942,258.60 and 291,385.20

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Solution

The fourth proportional to 627,826.80, 942,258.60 and 291,385.20 is: 437,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,826.80 : 942,258.60 = 291,385.20 : x
  2. Step 2: Convert to fraction form
    627,826.80/942,258.60 = 291,385.20/x
  3. Step 3: Cross multiply
    627,826.80x = 942,258.60 × 291,385.20
  4. Step 4: Simplify right side
    627,826.80x = 274,560,210,612.72
  5. Step 5: Solve for x
    x = 274,560,210,612.72/627,826.80
  6. Step 6: Final answer
    x = 437,318.40

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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.