Home / 693,049.48-956,416.28-406,574.44

Finding the Fourth Proportional to 693,049.48, 956,416.28 and 406,574.44

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Solution

The fourth proportional to 693,049.48, 956,416.28 and 406,574.44 is: 561,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,049.48 : 956,416.28 = 406,574.44 : x
  2. Step 2: Convert to fraction form
    693,049.48/956,416.28 = 406,574.44/x
  3. Step 3: Cross multiply
    693,049.48x = 956,416.28 × 406,574.44
  4. Step 4: Simplify right side
    693,049.48x = 388,854,413,447.88
  5. Step 5: Solve for x
    x = 388,854,413,447.88/693,049.48
  6. Step 6: Final answer
    x = 561,077.42

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Double scale
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Similar ratio
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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.