Home / 1,723,942.89-2,379,041.16-999,210.98

Finding the Fourth Proportional to 1,723,942.89, 2,379,041.16 and 999,210.98

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Solution

The fourth proportional to 1,723,942.89, 2,379,041.16 and 999,210.98 is: 1,378,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,942.89 : 2,379,041.16 = 999,210.98 : x
  2. Step 2: Convert to fraction form
    1,723,942.89/2,379,041.16 = 999,210.98/x
  3. Step 3: Cross multiply
    1,723,942.89x = 2,379,041.16 × 999,210.98
  4. Step 4: Simplify right side
    1,723,942.89x = 2,377,164,037,048.73
  5. Step 5: Solve for x
    x = 2,377,164,037,048.73/1,723,942.89
  6. Step 6: Final answer
    x = 1,378,911.13

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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.