Home / 1,663,715.40-2,496,437.10-777,251.40

Finding the Fourth Proportional to 1,663,715.40, 2,496,437.10 and 777,251.40

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Solution

The fourth proportional to 1,663,715.40, 2,496,437.10 and 777,251.40 is: 1,166,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,715.40 : 2,496,437.10 = 777,251.40 : x
  2. Step 2: Convert to fraction form
    1,663,715.40/2,496,437.10 = 777,251.40/x
  3. Step 3: Cross multiply
    1,663,715.40x = 2,496,437.10 × 777,251.40
  4. Step 4: Simplify right side
    1,663,715.40x = 1,940,359,230,986.94
  5. Step 5: Solve for x
    x = 1,940,359,230,986.94/1,663,715.40
  6. Step 6: Final answer
    x = 1,166,280.74

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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.