Home / 1,188,751.84-1,640,477.51-679,465.16

Finding the Fourth Proportional to 1,188,751.84, 1,640,477.51 and 679,465.16

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Solution

The fourth proportional to 1,188,751.84, 1,640,477.51 and 679,465.16 is: 937,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,751.84 : 1,640,477.51 = 679,465.16 : x
  2. Step 2: Convert to fraction form
    1,188,751.84/1,640,477.51 = 679,465.16/x
  3. Step 3: Cross multiply
    1,188,751.84x = 1,640,477.51 × 679,465.16
  4. Step 4: Simplify right side
    1,188,751.84x = 1,114,647,313,808.55
  5. Step 5: Solve for x
    x = 1,114,647,313,808.55/1,188,751.84
  6. Step 6: Final answer
    x = 937,661.90

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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.