Home / 905,139.58-1,248,953.88-523,092.64

Finding the Fourth Proportional to 905,139.58, 1,248,953.88 and 523,092.64

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Solution

The fourth proportional to 905,139.58, 1,248,953.88 and 523,092.64 is: 721,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,139.58 : 1,248,953.88 = 523,092.64 : x
  2. Step 2: Convert to fraction form
    905,139.58/1,248,953.88 = 523,092.64/x
  3. Step 3: Cross multiply
    905,139.58x = 1,248,953.88 × 523,092.64
  4. Step 4: Simplify right side
    905,139.58x = 653,318,582,327.44
  5. Step 5: Solve for x
    x = 653,318,582,327.44/905,139.58
  6. Step 6: Final answer
    x = 721,787.66

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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.