Home / 928,967.10-1,393,116.21-321,590.22

Finding the Fourth Proportional to 928,967.10, 1,393,116.21 and 321,590.22

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Solution

The fourth proportional to 928,967.10, 1,393,116.21 and 321,590.22 is: 482,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,967.10 : 1,393,116.21 = 321,590.22 : x
  2. Step 2: Convert to fraction form
    928,967.10/1,393,116.21 = 321,590.22/x
  3. Step 3: Cross multiply
    928,967.10x = 1,393,116.21 × 321,590.22
  4. Step 4: Simplify right side
    928,967.10x = 448,012,548,459.47
  5. Step 5: Solve for x
    x = 448,012,548,459.47/928,967.10
  6. Step 6: Final answer
    x = 482,269.55

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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.