Home / 691,136.10-1,036,704.15-651,770.10

Finding the Fourth Proportional to 691,136.10, 1,036,704.15 and 651,770.10

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Solution

The fourth proportional to 691,136.10, 1,036,704.15 and 651,770.10 is: 977,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,136.10 : 1,036,704.15 = 651,770.10 : x
  2. Step 2: Convert to fraction form
    691,136.10/1,036,704.15 = 651,770.10/x
  3. Step 3: Cross multiply
    691,136.10x = 1,036,704.15 × 651,770.10
  4. Step 4: Simplify right side
    691,136.10x = 675,692,767,515.92
  5. Step 5: Solve for x
    x = 675,692,767,515.92/691,136.10
  6. Step 6: Final answer
    x = 977,655.15

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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.