Home / 745,919.26-1,118,870.64-446,483.41

Finding the Fourth Proportional to 745,919.26, 1,118,870.64 and 446,483.41

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Solution

The fourth proportional to 745,919.26, 1,118,870.64 and 446,483.41 is: 669,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,919.26 : 1,118,870.64 = 446,483.41 : x
  2. Step 2: Convert to fraction form
    745,919.26/1,118,870.64 = 446,483.41/x
  3. Step 3: Cross multiply
    745,919.26x = 1,118,870.64 × 446,483.41
  4. Step 4: Simplify right side
    745,919.26x = 499,557,175,898.91
  5. Step 5: Solve for x
    x = 499,557,175,898.91/745,919.26
  6. Step 6: Final answer
    x = 669,720.18

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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.