Home / 850,642.76-1,173,876.22-463,474.30

Finding the Fourth Proportional to 850,642.76, 1,173,876.22 and 463,474.30

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Solution

The fourth proportional to 850,642.76, 1,173,876.22 and 463,474.30 is: 639,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,642.76 : 1,173,876.22 = 463,474.30 : x
  2. Step 2: Convert to fraction form
    850,642.76/1,173,876.22 = 463,474.30/x
  3. Step 3: Cross multiply
    850,642.76x = 1,173,876.22 × 463,474.30
  4. Step 4: Simplify right side
    850,642.76x = 544,061,465,905.88
  5. Step 5: Solve for x
    x = 544,061,465,905.88/850,642.76
  6. Step 6: Final answer
    x = 639,588.66

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Double scale
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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.