Home / 1,036,716.68-1,555,075.02-438,353.48

Finding the Fourth Proportional to 1,036,716.68, 1,555,075.02 and 438,353.48

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Solution

The fourth proportional to 1,036,716.68, 1,555,075.02 and 438,353.48 is: 657,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,716.68 : 1,555,075.02 = 438,353.48 : x
  2. Step 2: Convert to fraction form
    1,036,716.68/1,555,075.02 = 438,353.48/x
  3. Step 3: Cross multiply
    1,036,716.68x = 1,555,075.02 × 438,353.48
  4. Step 4: Simplify right side
    1,036,716.68x = 681,672,538,902.70
  5. Step 5: Solve for x
    x = 681,672,538,902.70/1,036,716.68
  6. Step 6: Final answer
    x = 657,530.22

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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.