Home / 689,996.08-952,194.40-384,065.80

Finding the Fourth Proportional to 689,996.08, 952,194.40 and 384,065.80

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Solution

The fourth proportional to 689,996.08, 952,194.40 and 384,065.80 is: 530,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,996.08 : 952,194.40 = 384,065.80 : x
  2. Step 2: Convert to fraction form
    689,996.08/952,194.40 = 384,065.80/x
  3. Step 3: Cross multiply
    689,996.08x = 952,194.40 × 384,065.80
  4. Step 4: Simplify right side
    689,996.08x = 365,705,303,991.52
  5. Step 5: Solve for x
    x = 365,705,303,991.52/689,996.08
  6. Step 6: Final answer
    x = 530,010.70

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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.