Home / 882,547.20-1,324,166.40-321,638.40

Finding the Fourth Proportional to 882,547.20, 1,324,166.40 and 321,638.40

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Solution

The fourth proportional to 882,547.20, 1,324,166.40 and 321,638.40 is: 482,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,547.20 : 1,324,166.40 = 321,638.40 : x
  2. Step 2: Convert to fraction form
    882,547.20/1,324,166.40 = 321,638.40/x
  3. Step 3: Cross multiply
    882,547.20x = 1,324,166.40 × 321,638.40
  4. Step 4: Simplify right side
    882,547.20x = 425,902,762,229.76
  5. Step 5: Solve for x
    x = 425,902,762,229.76/882,547.20
  6. Step 6: Final answer
    x = 482,583.55

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1.5x scale

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.