Home / 679,515.30-937,731.72-373,596.90

Finding the Fourth Proportional to 679,515.30, 937,731.72 and 373,596.90

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Solution

The fourth proportional to 679,515.30, 937,731.72 and 373,596.90 is: 515,564.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,515.30 : 937,731.72 = 373,596.90 : x
  2. Step 2: Convert to fraction form
    679,515.30/937,731.72 = 373,596.90/x
  3. Step 3: Cross multiply
    679,515.30x = 937,731.72 × 373,596.90
  4. Step 4: Simplify right side
    679,515.30x = 350,333,663,623.67
  5. Step 5: Solve for x
    x = 350,333,663,623.67/679,515.30
  6. Step 6: Final answer
    x = 515,564.06

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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.