Home / 1,412,683.60-2,118,928.20-453,125.20

Finding the Fourth Proportional to 1,412,683.60, 2,118,928.20 and 453,125.20

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Solution

The fourth proportional to 1,412,683.60, 2,118,928.20 and 453,125.20 is: 679,656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,683.60 : 2,118,928.20 = 453,125.20 : x
  2. Step 2: Convert to fraction form
    1,412,683.60/2,118,928.20 = 453,125.20/x
  3. Step 3: Cross multiply
    1,412,683.60x = 2,118,928.20 × 453,125.20
  4. Step 4: Simplify right side
    1,412,683.60x = 960,139,764,410.64
  5. Step 5: Solve for x
    x = 960,139,764,410.64/1,412,683.60
  6. Step 6: Final answer
    x = 679,656.62

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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.