Home / 691,966.80-1,037,950.20-373,102.20

Finding the Fourth Proportional to 691,966.80, 1,037,950.20 and 373,102.20

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Solution

The fourth proportional to 691,966.80, 1,037,950.20 and 373,102.20 is: 559,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,966.80 : 1,037,950.20 = 373,102.20 : x
  2. Step 2: Convert to fraction form
    691,966.80/1,037,950.20 = 373,102.20/x
  3. Step 3: Cross multiply
    691,966.80x = 1,037,950.20 × 373,102.20
  4. Step 4: Simplify right side
    691,966.80x = 387,261,503,110.44
  5. Step 5: Solve for x
    x = 387,261,503,110.44/691,966.80
  6. Step 6: Final answer
    x = 559,653.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.