Home / 840,599.64-1,160,027.49-538,793.64

Finding the Fourth Proportional to 840,599.64, 1,160,027.49 and 538,793.64

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Solution

The fourth proportional to 840,599.64, 1,160,027.49 and 538,793.64 is: 743,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,599.64 : 1,160,027.49 = 538,793.64 : x
  2. Step 2: Convert to fraction form
    840,599.64/1,160,027.49 = 538,793.64/x
  3. Step 3: Cross multiply
    840,599.64x = 1,160,027.49 × 538,793.64
  4. Step 4: Simplify right side
    840,599.64x = 625,015,433,837.16
  5. Step 5: Solve for x
    x = 625,015,433,837.16/840,599.64
  6. Step 6: Final answer
    x = 743,535.21

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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.