Home / 854,179.75-1,178,665.72-472,154.59

Finding the Fourth Proportional to 854,179.75, 1,178,665.72 and 472,154.59

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Solution

The fourth proportional to 854,179.75, 1,178,665.72 and 472,154.59 is: 651,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,179.75 : 1,178,665.72 = 472,154.59 : x
  2. Step 2: Convert to fraction form
    854,179.75/1,178,665.72 = 472,154.59/x
  3. Step 3: Cross multiply
    854,179.75x = 1,178,665.72 × 472,154.59
  4. Step 4: Simplify right side
    854,179.75x = 556,512,429,773.66
  5. Step 5: Solve for x
    x = 556,512,429,773.66/854,179.75
  6. Step 6: Final answer
    x = 651,516.77

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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.