Home / 693,065.48-956,438.34-406,590.44

Finding the Fourth Proportional to 693,065.48, 956,438.34 and 406,590.44

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Solution

The fourth proportional to 693,065.48, 956,438.34 and 406,590.44 is: 561,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,065.48 : 956,438.34 = 406,590.44 : x
  2. Step 2: Convert to fraction form
    693,065.48/956,438.34 = 406,590.44/x
  3. Step 3: Cross multiply
    693,065.48x = 956,438.34 × 406,590.44
  4. Step 4: Simplify right side
    693,065.48x = 388,878,685,493.47
  5. Step 5: Solve for x
    x = 388,878,685,493.47/693,065.48
  6. Step 6: Final answer
    x = 561,099.49

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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.