Home / 705,635.12-973,859.96-419,156.35

Finding the Fourth Proportional to 705,635.12, 973,859.96 and 419,156.35

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Solution

The fourth proportional to 705,635.12, 973,859.96 and 419,156.35 is: 578,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,635.12 : 973,859.96 = 419,156.35 : x
  2. Step 2: Convert to fraction form
    705,635.12/973,859.96 = 419,156.35/x
  3. Step 3: Cross multiply
    705,635.12x = 973,859.96 × 419,156.35
  4. Step 4: Simplify right side
    705,635.12x = 408,199,581,714.31
  5. Step 5: Solve for x
    x = 408,199,581,714.31/705,635.12
  6. Step 6: Final answer
    x = 578,485.35

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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.