Home / 1,286,733.62-1,928,753.63-433,510.43

Finding the Fourth Proportional to 1,286,733.62, 1,928,753.63 and 433,510.43

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Solution

The fourth proportional to 1,286,733.62, 1,928,753.63 and 433,510.43 is: 649,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,733.62 : 1,928,753.63 = 433,510.43 : x
  2. Step 2: Convert to fraction form
    1,286,733.62/1,928,753.63 = 433,510.43/x
  3. Step 3: Cross multiply
    1,286,733.62x = 1,928,753.63 × 433,510.43
  4. Step 4: Simplify right side
    1,286,733.62x = 836,134,803,694.04
  5. Step 5: Solve for x
    x = 836,134,803,694.04/1,286,733.62
  6. Step 6: Final answer
    x = 649,811.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.