Home / 1,031,436-1,547,192.88-321,461.28

Finding the Fourth Proportional to 1,031,436, 1,547,192.88 and 321,461.28

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Solution

The fourth proportional to 1,031,436, 1,547,192.88 and 321,461.28 is: 482,204.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,436 : 1,547,192.88 = 321,461.28 : x
  2. Step 2: Convert to fraction form
    1,031,436/1,547,192.88 = 321,461.28/x
  3. Step 3: Cross multiply
    1,031,436x = 1,547,192.88 × 321,461.28
  4. Step 4: Simplify right side
    1,031,436x = 497,362,603,611.69
  5. Step 5: Solve for x
    x = 497,362,603,611.69/1,031,436
  6. Step 6: Final answer
    x = 482,204.04

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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.