Home / 1,449,628-2,000,431.87-805,089.72

Finding the Fourth Proportional to 1,449,628, 2,000,431.87 and 805,089.72

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Solution

The fourth proportional to 1,449,628, 2,000,431.87 and 805,089.72 is: 1,110,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,628 : 2,000,431.87 = 805,089.72 : x
  2. Step 2: Convert to fraction form
    1,449,628/2,000,431.87 = 805,089.72/x
  3. Step 3: Cross multiply
    1,449,628x = 2,000,431.87 × 805,089.72
  4. Step 4: Simplify right side
    1,449,628x = 1,610,527,134,097.38
  5. Step 5: Solve for x
    x = 1,610,527,134,097.38/1,449,628
  6. Step 6: Final answer
    x = 1,110,993.40

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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.