Home / 804,623.80-1,206,935.70-243,658.30

Finding the Fourth Proportional to 804,623.80, 1,206,935.70 and 243,658.30

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Solution

The fourth proportional to 804,623.80, 1,206,935.70 and 243,658.30 is: 365,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,623.80 : 1,206,935.70 = 243,658.30 : x
  2. Step 2: Convert to fraction form
    804,623.80/1,206,935.70 = 243,658.30/x
  3. Step 3: Cross multiply
    804,623.80x = 1,206,935.70 × 243,658.30
  4. Step 4: Simplify right side
    804,623.80x = 294,079,900,871.31
  5. Step 5: Solve for x
    x = 294,079,900,871.31/804,623.80
  6. Step 6: Final answer
    x = 365,487.45

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Half scale
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Double scale
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Similar ratio
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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.