Home / 738,371.37-1,018,946.43-411,680.51

Finding the Fourth Proportional to 738,371.37, 1,018,946.43 and 411,680.51

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Solution

The fourth proportional to 738,371.37, 1,018,946.43 and 411,680.51 is: 568,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,371.37 : 1,018,946.43 = 411,680.51 : x
  2. Step 2: Convert to fraction form
    738,371.37/1,018,946.43 = 411,680.51/x
  3. Step 3: Cross multiply
    738,371.37x = 1,018,946.43 × 411,680.51
  4. Step 4: Simplify right side
    738,371.37x = 419,480,384,691.40
  5. Step 5: Solve for x
    x = 419,480,384,691.40/738,371.37
  6. Step 6: Final answer
    x = 568,115.72

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Double scale
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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.