Home / 1,036,286.10-1,554,647.85-326,385.90

Finding the Fourth Proportional to 1,036,286.10, 1,554,647.85 and 326,385.90

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Solution

The fourth proportional to 1,036,286.10, 1,554,647.85 and 326,385.90 is: 489,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,286.10 : 1,554,647.85 = 326,385.90 : x
  2. Step 2: Convert to fraction form
    1,036,286.10/1,554,647.85 = 326,385.90/x
  3. Step 3: Cross multiply
    1,036,286.10x = 1,554,647.85 × 326,385.90
  4. Step 4: Simplify right side
    1,036,286.10x = 507,415,137,705.32
  5. Step 5: Solve for x
    x = 507,415,137,705.32/1,036,286.10
  6. Step 6: Final answer
    x = 489,647.73

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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.