Home / 3,117,043.96-4,675,578.96-988,623.16

Finding the Fourth Proportional to 3,117,043.96, 4,675,578.96 and 988,623.16

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Solution

The fourth proportional to 3,117,043.96, 4,675,578.96 and 988,623.16 is: 1,482,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,043.96 : 4,675,578.96 = 988,623.16 : x
  2. Step 2: Convert to fraction form
    3,117,043.96/4,675,578.96 = 988,623.16/x
  3. Step 3: Cross multiply
    3,117,043.96x = 4,675,578.96 × 988,623.16
  4. Step 4: Simplify right side
    3,117,043.96x = 4,622,385,646,264.71
  5. Step 5: Solve for x
    x = 4,622,385,646,264.71/3,117,043.96
  6. Step 6: Final answer
    x = 1,482,938.87

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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.