Home / 791,074.12-1,186,787.22-435,905.32

Finding the Fourth Proportional to 791,074.12, 1,186,787.22 and 435,905.32

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Solution

The fourth proportional to 791,074.12, 1,186,787.22 and 435,905.32 is: 653,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,074.12 : 1,186,787.22 = 435,905.32 : x
  2. Step 2: Convert to fraction form
    791,074.12/1,186,787.22 = 435,905.32/x
  3. Step 3: Cross multiply
    791,074.12x = 1,186,787.22 × 435,905.32
  4. Step 4: Simplify right side
    791,074.12x = 517,326,862,906.01
  5. Step 5: Solve for x
    x = 517,326,862,906.01/791,074.12
  6. Step 6: Final answer
    x = 653,954.98

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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.