Home / 783,812.64-1,081,668.24-444,217.44

Finding the Fourth Proportional to 783,812.64, 1,081,668.24 and 444,217.44

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Solution

The fourth proportional to 783,812.64, 1,081,668.24 and 444,217.44 is: 613,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,812.64 : 1,081,668.24 = 444,217.44 : x
  2. Step 2: Convert to fraction form
    783,812.64/1,081,668.24 = 444,217.44/x
  3. Step 3: Cross multiply
    783,812.64x = 1,081,668.24 × 444,217.44
  4. Step 4: Simplify right side
    783,812.64x = 480,495,896,502.11
  5. Step 5: Solve for x
    x = 480,495,896,502.11/783,812.64
  6. Step 6: Final answer
    x = 613,023.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.