Home / 674,364.98-1,004,392.11-671,105.74

Finding the Fourth Proportional to 674,364.98, 1,004,392.11 and 671,105.74

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Solution

The fourth proportional to 674,364.98, 1,004,392.11 and 671,105.74 is: 999,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,364.98 : 1,004,392.11 = 671,105.74 : x
  2. Step 2: Convert to fraction form
    674,364.98/1,004,392.11 = 671,105.74/x
  3. Step 3: Cross multiply
    674,364.98x = 1,004,392.11 × 671,105.74
  4. Step 4: Simplify right side
    674,364.98x = 674,053,310,231.71
  5. Step 5: Solve for x
    x = 674,053,310,231.71/674,364.98
  6. Step 6: Final answer
    x = 999,537.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.