Home / 854,171.36-1,178,653.92-472,145.84

Finding the Fourth Proportional to 854,171.36, 1,178,653.92 and 472,145.84

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Solution

The fourth proportional to 854,171.36, 1,178,653.92 and 472,145.84 is: 651,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,171.36 : 1,178,653.92 = 472,145.84 : x
  2. Step 2: Convert to fraction form
    854,171.36/1,178,653.92 = 472,145.84/x
  3. Step 3: Cross multiply
    854,171.36x = 1,178,653.92 × 472,145.84
  4. Step 4: Simplify right side
    854,171.36x = 556,496,545,127.69
  5. Step 5: Solve for x
    x = 556,496,545,127.69/854,171.36
  6. Step 6: Final answer
    x = 651,504.57

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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.