Home / 4,205,491.76-6,308,146.64-1,172,776.84

Finding the Fourth Proportional to 4,205,491.76, 6,308,146.64 and 1,172,776.84

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Solution

The fourth proportional to 4,205,491.76, 6,308,146.64 and 1,172,776.84 is: 1,759,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205,491.76 : 6,308,146.64 = 1,172,776.84 : x
  2. Step 2: Convert to fraction form
    4,205,491.76/6,308,146.64 = 1,172,776.84/x
  3. Step 3: Cross multiply
    4,205,491.76x = 6,308,146.64 × 1,172,776.84
  4. Step 4: Simplify right side
    4,205,491.76x = 7,398,048,282,715.82
  5. Step 5: Solve for x
    x = 7,398,048,282,715.82/4,205,491.76
  6. Step 6: Final answer
    x = 1,759,139.88

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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.