Home / 1,169,075.84-1,612,865.62-678,961.92

Finding the Fourth Proportional to 1,169,075.84, 1,612,865.62 and 678,961.92

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Solution

The fourth proportional to 1,169,075.84, 1,612,865.62 and 678,961.92 is: 936,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,075.84 : 1,612,865.62 = 678,961.92 : x
  2. Step 2: Convert to fraction form
    1,169,075.84/1,612,865.62 = 678,961.92/x
  3. Step 3: Cross multiply
    1,169,075.84x = 1,612,865.62 × 678,961.92
  4. Step 4: Simplify right side
    1,169,075.84x = 1,095,074,338,057.19
  5. Step 5: Solve for x
    x = 1,095,074,338,057.19/1,169,075.84
  6. Step 6: Final answer
    x = 936,700.85

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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.