Home / 1,385,017.92-1,911,382.50-773,204.64

Finding the Fourth Proportional to 1,385,017.92, 1,911,382.50 and 773,204.64

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Solution

The fourth proportional to 1,385,017.92, 1,911,382.50 and 773,204.64 is: 1,067,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,017.92 : 1,911,382.50 = 773,204.64 : x
  2. Step 2: Convert to fraction form
    1,385,017.92/1,911,382.50 = 773,204.64/x
  3. Step 3: Cross multiply
    1,385,017.92x = 1,911,382.50 × 773,204.64
  4. Step 4: Simplify right side
    1,385,017.92x = 1,477,889,817,814.80
  5. Step 5: Solve for x
    x = 1,477,889,817,814.80/1,385,017.92
  6. Step 6: Final answer
    x = 1,067,054.65

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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.