Home / 734,134.40-1,013,112.39-411,851.42

Finding the Fourth Proportional to 734,134.40, 1,013,112.39 and 411,851.42

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Solution

The fourth proportional to 734,134.40, 1,013,112.39 and 411,851.42 is: 568,358.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,134.40 : 1,013,112.39 = 411,851.42 : x
  2. Step 2: Convert to fraction form
    734,134.40/1,013,112.39 = 411,851.42/x
  3. Step 3: Cross multiply
    734,134.40x = 1,013,112.39 × 411,851.42
  4. Step 4: Simplify right side
    734,134.40x = 417,251,776,441.09
  5. Step 5: Solve for x
    x = 417,251,776,441.09/734,134.40
  6. Step 6: Final answer
    x = 568,358.84

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.