Home / 693,655.25-1,039,773.40-351,464.78

Finding the Fourth Proportional to 693,655.25, 1,039,773.40 and 351,464.78

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Solution

The fourth proportional to 693,655.25, 1,039,773.40 and 351,464.78 is: 526,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,655.25 : 1,039,773.40 = 351,464.78 : x
  2. Step 2: Convert to fraction form
    693,655.25/1,039,773.40 = 351,464.78/x
  3. Step 3: Cross multiply
    693,655.25x = 1,039,773.40 × 351,464.78
  4. Step 4: Simplify right side
    693,655.25x = 365,443,731,001.62
  5. Step 5: Solve for x
    x = 365,443,731,001.62/693,655.25
  6. Step 6: Final answer
    x = 526,837.70

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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.