Home / 816,075.12-1,126,112.04-453,476.01

Finding the Fourth Proportional to 816,075.12, 1,126,112.04 and 453,476.01

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Solution

The fourth proportional to 816,075.12, 1,126,112.04 and 453,476.01 is: 625,757.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,075.12 : 1,126,112.04 = 453,476.01 : x
  2. Step 2: Convert to fraction form
    816,075.12/1,126,112.04 = 453,476.01/x
  3. Step 3: Cross multiply
    816,075.12x = 1,126,112.04 × 453,476.01
  4. Step 4: Simplify right side
    816,075.12x = 510,664,794,712.16
  5. Step 5: Solve for x
    x = 510,664,794,712.16/816,075.12
  6. Step 6: Final answer
    x = 625,757.09

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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.