Home / 664,148.58-916,595.73-406,176.45

Finding the Fourth Proportional to 664,148.58, 916,595.73 and 406,176.45

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Solution

The fourth proportional to 664,148.58, 916,595.73 and 406,176.45 is: 560,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,148.58 : 916,595.73 = 406,176.45 : x
  2. Step 2: Convert to fraction form
    664,148.58/916,595.73 = 406,176.45/x
  3. Step 3: Cross multiply
    664,148.58x = 916,595.73 × 406,176.45
  4. Step 4: Simplify right side
    664,148.58x = 372,299,599,696.56
  5. Step 5: Solve for x
    x = 372,299,599,696.56/664,148.58
  6. Step 6: Final answer
    x = 560,566.73

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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.