Home / 705,690.15-973,847.14-383,402.89

Finding the Fourth Proportional to 705,690.15, 973,847.14 and 383,402.89

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Solution

The fourth proportional to 705,690.15, 973,847.14 and 383,402.89 is: 529,093.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,690.15 : 973,847.14 = 383,402.89 : x
  2. Step 2: Convert to fraction form
    705,690.15/973,847.14 = 383,402.89/x
  3. Step 3: Cross multiply
    705,690.15x = 973,847.14 × 383,402.89
  4. Step 4: Simplify right side
    705,690.15x = 373,375,807,894.24
  5. Step 5: Solve for x
    x = 373,375,807,894.24/705,690.15
  6. Step 6: Final answer
    x = 529,093.13

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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.