Home / 459,075.18-633,839.10-287,067.62

Finding the Fourth Proportional to 459,075.18, 633,839.10 and 287,067.62

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Solution

The fourth proportional to 459,075.18, 633,839.10 and 287,067.62 is: 396,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,075.18 : 633,839.10 = 287,067.62 : x
  2. Step 2: Convert to fraction form
    459,075.18/633,839.10 = 287,067.62/x
  3. Step 3: Cross multiply
    459,075.18x = 633,839.10 × 287,067.62
  4. Step 4: Simplify right side
    459,075.18x = 181,954,681,899.94
  5. Step 5: Solve for x
    x = 181,954,681,899.94/459,075.18
  6. Step 6: Final answer
    x = 396,350.51

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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.