Home / 511,740.18-766,123.52-297,855.23

Finding the Fourth Proportional to 511,740.18, 766,123.52 and 297,855.23

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Solution

The fourth proportional to 511,740.18, 766,123.52 and 297,855.23 is: 445,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,740.18 : 766,123.52 = 297,855.23 : x
  2. Step 2: Convert to fraction form
    511,740.18/766,123.52 = 297,855.23/x
  3. Step 3: Cross multiply
    511,740.18x = 766,123.52 × 297,855.23
  4. Step 4: Simplify right side
    511,740.18x = 228,193,891,938.12
  5. Step 5: Solve for x
    x = 228,193,891,938.12/511,740.18
  6. Step 6: Final answer
    x = 445,917.48

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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.