Home / 716,882.27-1,075,326.44-290,426.38

Finding the Fourth Proportional to 716,882.27, 1,075,326.44 and 290,426.38

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Solution

The fourth proportional to 716,882.27, 1,075,326.44 and 290,426.38 is: 435,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,882.27 : 1,075,326.44 = 290,426.38 : x
  2. Step 2: Convert to fraction form
    716,882.27/1,075,326.44 = 290,426.38/x
  3. Step 3: Cross multiply
    716,882.27x = 1,075,326.44 × 290,426.38
  4. Step 4: Simplify right side
    716,882.27x = 312,303,161,147.04
  5. Step 5: Solve for x
    x = 312,303,161,147.04/716,882.27
  6. Step 6: Final answer
    x = 435,640.80

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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.