Home / 702,403.95-1,053,179.22-275,428.20

Finding the Fourth Proportional to 702,403.95, 1,053,179.22 and 275,428.20

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Solution

The fourth proportional to 702,403.95, 1,053,179.22 and 275,428.20 is: 412,974.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,403.95 : 1,053,179.22 = 275,428.20 : x
  2. Step 2: Convert to fraction form
    702,403.95/1,053,179.22 = 275,428.20/x
  3. Step 3: Cross multiply
    702,403.95x = 1,053,179.22 × 275,428.20
  4. Step 4: Simplify right side
    702,403.95x = 290,075,256,842.00
  5. Step 5: Solve for x
    x = 290,075,256,842.00/702,403.95
  6. Step 6: Final answer
    x = 412,974.98

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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.