Home / 768,811.06-1,060,952.94-419,951.76

Finding the Fourth Proportional to 768,811.06, 1,060,952.94 and 419,951.76

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Solution

The fourth proportional to 768,811.06, 1,060,952.94 and 419,951.76 is: 579,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,811.06 : 1,060,952.94 = 419,951.76 : x
  2. Step 2: Convert to fraction form
    768,811.06/1,060,952.94 = 419,951.76/x
  3. Step 3: Cross multiply
    768,811.06x = 1,060,952.94 × 419,951.76
  4. Step 4: Simplify right side
    768,811.06x = 445,549,054,430.17
  5. Step 5: Solve for x
    x = 445,549,054,430.17/768,811.06
  6. Step 6: Final answer
    x = 579,529.98

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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.