Home / 850,486.11-1,173,615.12-468,512.89

Finding the Fourth Proportional to 850,486.11, 1,173,615.12 and 468,512.89

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Solution

The fourth proportional to 850,486.11, 1,173,615.12 and 468,512.89 is: 646,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,486.11 : 1,173,615.12 = 468,512.89 : x
  2. Step 2: Convert to fraction form
    850,486.11/1,173,615.12 = 468,512.89/x
  3. Step 3: Cross multiply
    850,486.11x = 1,173,615.12 × 468,512.89
  4. Step 4: Simplify right side
    850,486.11x = 549,853,811,618.90
  5. Step 5: Solve for x
    x = 549,853,811,618.90/850,486.11
  6. Step 6: Final answer
    x = 646,517.10

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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.