Home / 912,379.15-1,259,060.79-504,470.17

Finding the Fourth Proportional to 912,379.15, 1,259,060.79 and 504,470.17

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Solution

The fourth proportional to 912,379.15, 1,259,060.79 and 504,470.17 is: 696,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,379.15 : 1,259,060.79 = 504,470.17 : x
  2. Step 2: Convert to fraction form
    912,379.15/1,259,060.79 = 504,470.17/x
  3. Step 3: Cross multiply
    912,379.15x = 1,259,060.79 × 504,470.17
  4. Step 4: Simplify right side
    912,379.15x = 635,158,610,771.63
  5. Step 5: Solve for x
    x = 635,158,610,771.63/912,379.15
  6. Step 6: Final answer
    x = 696,156.43

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1.5x scale

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.