Home / 474,426.15-711,559.95-208,115.16

Finding the Fourth Proportional to 474,426.15, 711,559.95 and 208,115.16

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Solution

The fourth proportional to 474,426.15, 711,559.95 and 208,115.16 is: 312,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,426.15 : 711,559.95 = 208,115.16 : x
  2. Step 2: Convert to fraction form
    474,426.15/711,559.95 = 208,115.16/x
  3. Step 3: Cross multiply
    474,426.15x = 711,559.95 × 208,115.16
  4. Step 4: Simplify right side
    474,426.15x = 148,086,412,843.84
  5. Step 5: Solve for x
    x = 148,086,412,843.84/474,426.15
  6. Step 6: Final answer
    x = 312,137.96

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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.