Home / 1,397,487.50-1,928,601.17-785,832.81

Finding the Fourth Proportional to 1,397,487.50, 1,928,601.17 and 785,832.81

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Solution

The fourth proportional to 1,397,487.50, 1,928,601.17 and 785,832.81 is: 1,084,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,487.50 : 1,928,601.17 = 785,832.81 : x
  2. Step 2: Convert to fraction form
    1,397,487.50/1,928,601.17 = 785,832.81/x
  3. Step 3: Cross multiply
    1,397,487.50x = 1,928,601.17 × 785,832.81
  4. Step 4: Simplify right side
    1,397,487.50x = 1,515,558,075,808.10
  5. Step 5: Solve for x
    x = 1,515,558,075,808.10/1,397,487.50
  6. Step 6: Final answer
    x = 1,084,487.75

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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.