Home / 1,031,437-1,547,194.38-321,462.28

Finding the Fourth Proportional to 1,031,437, 1,547,194.38 and 321,462.28

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Solution

The fourth proportional to 1,031,437, 1,547,194.38 and 321,462.28 is: 482,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,437 : 1,547,194.38 = 321,462.28 : x
  2. Step 2: Convert to fraction form
    1,031,437/1,547,194.38 = 321,462.28/x
  3. Step 3: Cross multiply
    1,031,437x = 1,547,194.38 × 321,462.28
  4. Step 4: Simplify right side
    1,031,437x = 497,364,632,997.99
  5. Step 5: Solve for x
    x = 497,364,632,997.99/1,031,437
  6. Step 6: Final answer
    x = 482,205.54

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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.