Home / 590,905.80-885,321.90-485,152.20

Finding the Fourth Proportional to 590,905.80, 885,321.90 and 485,152.20

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Solution

The fourth proportional to 590,905.80, 885,321.90 and 485,152.20 is: 726,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,905.80 : 885,321.90 = 485,152.20 : x
  2. Step 2: Convert to fraction form
    590,905.80/885,321.90 = 485,152.20/x
  3. Step 3: Cross multiply
    590,905.80x = 885,321.90 × 485,152.20
  4. Step 4: Simplify right side
    590,905.80x = 429,515,867,493.18
  5. Step 5: Solve for x
    x = 429,515,867,493.18/590,905.80
  6. Step 6: Final answer
    x = 726,877.05

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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.