Home / 1,719,037-2,578,269.52-520,674.40

Finding the Fourth Proportional to 1,719,037, 2,578,269.52 and 520,674.40

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Solution

The fourth proportional to 1,719,037, 2,578,269.52 and 520,674.40 is: 780,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,037 : 2,578,269.52 = 520,674.40 : x
  2. Step 2: Convert to fraction form
    1,719,037/2,578,269.52 = 520,674.40/x
  3. Step 3: Cross multiply
    1,719,037x = 2,578,269.52 × 520,674.40
  4. Step 4: Simplify right side
    1,719,037x = 1,342,438,935,364.29
  5. Step 5: Solve for x
    x = 1,342,438,935,364.29/1,719,037
  6. Step 6: Final answer
    x = 780,924.98

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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.