Home / 1,913,161.68-2,869,907.76-493,205.76

Finding the Fourth Proportional to 1,913,161.68, 2,869,907.76 and 493,205.76

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Solution

The fourth proportional to 1,913,161.68, 2,869,907.76 and 493,205.76 is: 739,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,161.68 : 2,869,907.76 = 493,205.76 : x
  2. Step 2: Convert to fraction form
    1,913,161.68/2,869,907.76 = 493,205.76/x
  3. Step 3: Cross multiply
    1,913,161.68x = 2,869,907.76 × 493,205.76
  4. Step 4: Simplify right side
    1,913,161.68x = 1,415,455,037,900.70
  5. Step 5: Solve for x
    x = 1,415,455,037,900.70/1,913,161.68
  6. Step 6: Final answer
    x = 739,851.24

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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.