Home / 854,195.72-1,178,814.69-472,247.10

Finding the Fourth Proportional to 854,195.72, 1,178,814.69 and 472,247.10

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Solution

The fourth proportional to 854,195.72, 1,178,814.69 and 472,247.10 is: 651,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,195.72 : 1,178,814.69 = 472,247.10 : x
  2. Step 2: Convert to fraction form
    854,195.72/1,178,814.69 = 472,247.10/x
  3. Step 3: Cross multiply
    854,195.72x = 1,178,814.69 × 472,247.10
  4. Step 4: Simplify right side
    854,195.72x = 556,691,818,789.90
  5. Step 5: Solve for x
    x = 556,691,818,789.90/854,195.72
  6. Step 6: Final answer
    x = 651,714.60

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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.