Home / 679,111.75-937,203.38-377,305.75

Finding the Fourth Proportional to 679,111.75, 937,203.38 and 377,305.75

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Solution

The fourth proportional to 679,111.75, 937,203.38 and 377,305.75 is: 520,698.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,111.75 : 937,203.38 = 377,305.75 : x
  2. Step 2: Convert to fraction form
    679,111.75/937,203.38 = 377,305.75/x
  3. Step 3: Cross multiply
    679,111.75x = 937,203.38 × 377,305.75
  4. Step 4: Simplify right side
    679,111.75x = 353,612,224,193.44
  5. Step 5: Solve for x
    x = 353,612,224,193.44/679,111.75
  6. Step 6: Final answer
    x = 520,698.14

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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.