Home / 679,394.06-937,566.84-373,490.15

Finding the Fourth Proportional to 679,394.06, 937,566.84 and 373,490.15

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Solution

The fourth proportional to 679,394.06, 937,566.84 and 373,490.15 is: 515,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,394.06 : 937,566.84 = 373,490.15 : x
  2. Step 2: Convert to fraction form
    679,394.06/937,566.84 = 373,490.15/x
  3. Step 3: Cross multiply
    679,394.06x = 937,566.84 × 373,490.15
  4. Step 4: Simplify right side
    679,394.06x = 350,171,979,706.63
  5. Step 5: Solve for x
    x = 350,171,979,706.63/679,394.06
  6. Step 6: Final answer
    x = 515,418.08

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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.