Home / 854,034.84-1,178,685.27-491,451.30

Finding the Fourth Proportional to 854,034.84, 1,178,685.27 and 491,451.30

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Solution

The fourth proportional to 854,034.84, 1,178,685.27 and 491,451.30 is: 678,270.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,034.84 : 1,178,685.27 = 491,451.30 : x
  2. Step 2: Convert to fraction form
    854,034.84/1,178,685.27 = 491,451.30/x
  3. Step 3: Cross multiply
    854,034.84x = 1,178,685.27 × 491,451.30
  4. Step 4: Simplify right side
    854,034.84x = 579,266,408,232.35
  5. Step 5: Solve for x
    x = 579,266,408,232.35/854,034.84
  6. Step 6: Final answer
    x = 678,270.23

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Double scale
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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.