Home / 1,309,350.98-1,806,633.47-765,381.50

Finding the Fourth Proportional to 1,309,350.98, 1,806,633.47 and 765,381.50

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Solution

The fourth proportional to 1,309,350.98, 1,806,633.47 and 765,381.50 is: 1,056,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,350.98 : 1,806,633.47 = 765,381.50 : x
  2. Step 2: Convert to fraction form
    1,309,350.98/1,806,633.47 = 765,381.50/x
  3. Step 3: Cross multiply
    1,309,350.98x = 1,806,633.47 × 765,381.50
  4. Step 4: Simplify right side
    1,309,350.98x = 1,382,763,840,731.01
  5. Step 5: Solve for x
    x = 1,382,763,840,731.01/1,309,350.98
  6. Step 6: Final answer
    x = 1,056,068.13

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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.