Home / 785,060.64-1,083,380.56-440,848.68

Finding the Fourth Proportional to 785,060.64, 1,083,380.56 and 440,848.68

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Solution

The fourth proportional to 785,060.64, 1,083,380.56 and 440,848.68 is: 608,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,060.64 : 1,083,380.56 = 440,848.68 : x
  2. Step 2: Convert to fraction form
    785,060.64/1,083,380.56 = 440,848.68/x
  3. Step 3: Cross multiply
    785,060.64x = 1,083,380.56 × 440,848.68
  4. Step 4: Simplify right side
    785,060.64x = 477,606,889,813.66
  5. Step 5: Solve for x
    x = 477,606,889,813.66/785,060.64
  6. Step 6: Final answer
    x = 608,369.42

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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.