Home / 1,679,390.10-2,519,085.15-557,459.10

Finding the Fourth Proportional to 1,679,390.10, 2,519,085.15 and 557,459.10

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Solution

The fourth proportional to 1,679,390.10, 2,519,085.15 and 557,459.10 is: 836,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,390.10 : 2,519,085.15 = 557,459.10 : x
  2. Step 2: Convert to fraction form
    1,679,390.10/2,519,085.15 = 557,459.10/x
  3. Step 3: Cross multiply
    1,679,390.10x = 2,519,085.15 × 557,459.10
  4. Step 4: Simplify right side
    1,679,390.10x = 1,404,286,940,542.37
  5. Step 5: Solve for x
    x = 1,404,286,940,542.37/1,679,390.10
  6. Step 6: Final answer
    x = 836,188.65

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.