Home / 679,114.12-937,131.40-373,211.88

Finding the Fourth Proportional to 679,114.12, 937,131.40 and 373,211.88

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Solution

The fourth proportional to 679,114.12, 937,131.40 and 373,211.88 is: 515,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,114.12 : 937,131.40 = 373,211.88 : x
  2. Step 2: Convert to fraction form
    679,114.12/937,131.40 = 373,211.88/x
  3. Step 3: Cross multiply
    679,114.12x = 937,131.40 × 373,211.88
  4. Step 4: Simplify right side
    679,114.12x = 349,748,571,601.03
  5. Step 5: Solve for x
    x = 349,748,571,601.03/679,114.12
  6. Step 6: Final answer
    x = 515,007.07

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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.