Home / 693,064.48-956,436.96-406,589.44

Finding the Fourth Proportional to 693,064.48, 956,436.96 and 406,589.44

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Solution

The fourth proportional to 693,064.48, 956,436.96 and 406,589.44 is: 561,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,064.48 : 956,436.96 = 406,589.44 : x
  2. Step 2: Convert to fraction form
    693,064.48/956,436.96 = 406,589.44/x
  3. Step 3: Cross multiply
    693,064.48x = 956,436.96 × 406,589.44
  4. Step 4: Simplify right side
    693,064.48x = 388,877,167,961.70
  5. Step 5: Solve for x
    x = 388,877,167,961.70/693,064.48
  6. Step 6: Final answer
    x = 561,098.11

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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.