Home / 718,548.38-1,075,669.32-692,998.14

Finding the Fourth Proportional to 718,548.38, 1,075,669.32 and 692,998.14

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Solution

The fourth proportional to 718,548.38, 1,075,669.32 and 692,998.14 is: 1,037,420.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,548.38 : 1,075,669.32 = 692,998.14 : x
  2. Step 2: Convert to fraction form
    718,548.38/1,075,669.32 = 692,998.14/x
  3. Step 3: Cross multiply
    718,548.38x = 1,075,669.32 × 692,998.14
  4. Step 4: Simplify right side
    718,548.38x = 745,436,838,015.07
  5. Step 5: Solve for x
    x = 745,436,838,015.07/718,548.38
  6. Step 6: Final answer
    x = 1,037,420.53

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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.