Home / 1,412,558.60-2,118,740.70-453,000.20

Finding the Fourth Proportional to 1,412,558.60, 2,118,740.70 and 453,000.20

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Solution

The fourth proportional to 1,412,558.60, 2,118,740.70 and 453,000.20 is: 679,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,558.60 : 2,118,740.70 = 453,000.20 : x
  2. Step 2: Convert to fraction form
    1,412,558.60/2,118,740.70 = 453,000.20/x
  3. Step 3: Cross multiply
    1,412,558.60x = 2,118,740.70 × 453,000.20
  4. Step 4: Simplify right side
    1,412,558.60x = 959,789,960,848.14
  5. Step 5: Solve for x
    x = 959,789,960,848.14/1,412,558.60
  6. Step 6: Final answer
    x = 679,469.13

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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.