Home / 753,102.41-1,039,288.07-413,573.09

Finding the Fourth Proportional to 753,102.41, 1,039,288.07 and 413,573.09

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Solution

The fourth proportional to 753,102.41, 1,039,288.07 and 413,573.09 is: 570,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,102.41 : 1,039,288.07 = 413,573.09 : x
  2. Step 2: Convert to fraction form
    753,102.41/1,039,288.07 = 413,573.09/x
  3. Step 3: Cross multiply
    753,102.41x = 1,039,288.07 × 413,573.09
  4. Step 4: Simplify right side
    753,102.41x = 429,821,578,510.04
  5. Step 5: Solve for x
    x = 429,821,578,510.04/753,102.41
  6. Step 6: Final answer
    x = 570,734.57

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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.