Home / 1,763,623.40-2,646,471.90-641,805.80

Finding the Fourth Proportional to 1,763,623.40, 2,646,471.90 and 641,805.80

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Solution

The fourth proportional to 1,763,623.40, 2,646,471.90 and 641,805.80 is: 963,086.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,623.40 : 2,646,471.90 = 641,805.80 : x
  2. Step 2: Convert to fraction form
    1,763,623.40/2,646,471.90 = 641,805.80/x
  3. Step 3: Cross multiply
    1,763,623.40x = 2,646,471.90 × 641,805.80
  4. Step 4: Simplify right side
    1,763,623.40x = 1,698,521,014,957.02
  5. Step 5: Solve for x
    x = 1,698,521,014,957.02/1,763,623.40
  6. Step 6: Final answer
    x = 963,086.01

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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.