Home / 1,776,436.80-2,664,914.40-829,838.40

Finding the Fourth Proportional to 1,776,436.80, 2,664,914.40 and 829,838.40

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Solution

The fourth proportional to 1,776,436.80, 2,664,914.40 and 829,838.40 is: 1,244,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,436.80 : 2,664,914.40 = 829,838.40 : x
  2. Step 2: Convert to fraction form
    1,776,436.80/2,664,914.40 = 829,838.40/x
  3. Step 3: Cross multiply
    1,776,436.80x = 2,664,914.40 × 829,838.40
  4. Step 4: Simplify right side
    1,776,436.80x = 2,211,448,301,832.96
  5. Step 5: Solve for x
    x = 2,211,448,301,832.96/1,776,436.80
  6. Step 6: Final answer
    x = 1,244,878.68

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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.