Home / 1,086,171.40-1,630,034.70-455,537.80

Finding the Fourth Proportional to 1,086,171.40, 1,630,034.70 and 455,537.80

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Solution

The fourth proportional to 1,086,171.40, 1,630,034.70 and 455,537.80 is: 683,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,171.40 : 1,630,034.70 = 455,537.80 : x
  2. Step 2: Convert to fraction form
    1,086,171.40/1,630,034.70 = 455,537.80/x
  3. Step 3: Cross multiply
    1,086,171.40x = 1,630,034.70 × 455,537.80
  4. Step 4: Simplify right side
    1,086,171.40x = 742,542,421,161.66
  5. Step 5: Solve for x
    x = 742,542,421,161.66/1,086,171.40
  6. Step 6: Final answer
    x = 683,632.82

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1.5x scale

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.