Home / 679,425.18-937,618.67-373,514.42

Finding the Fourth Proportional to 679,425.18, 937,618.67 and 373,514.42

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Solution

The fourth proportional to 679,425.18, 937,618.67 and 373,514.42 is: 515,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,425.18 : 937,618.67 = 373,514.42 : x
  2. Step 2: Convert to fraction form
    679,425.18/937,618.67 = 373,514.42/x
  3. Step 3: Cross multiply
    679,425.18x = 937,618.67 × 373,514.42
  4. Step 4: Simplify right side
    679,425.18x = 350,214,089,951.91
  5. Step 5: Solve for x
    x = 350,214,089,951.91/679,425.18
  6. Step 6: Final answer
    x = 515,456.45

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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.