Home / 1,120,739.04-1,546,739.04-685,411.08

Finding the Fourth Proportional to 1,120,739.04, 1,546,739.04 and 685,411.08

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Solution

The fourth proportional to 1,120,739.04, 1,546,739.04 and 685,411.08 is: 945,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,739.04 : 1,546,739.04 = 685,411.08 : x
  2. Step 2: Convert to fraction form
    1,120,739.04/1,546,739.04 = 685,411.08/x
  3. Step 3: Cross multiply
    1,120,739.04x = 1,546,739.04 × 685,411.08
  4. Step 4: Simplify right side
    1,120,739.04x = 1,060,152,075,884.56
  5. Step 5: Solve for x
    x = 1,060,152,075,884.56/1,120,739.04
  6. Step 6: Final answer
    x = 945,940.17

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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.