Home / 779,982.48-1,075,334.94-619,369.20

Finding the Fourth Proportional to 779,982.48, 1,075,334.94 and 619,369.20

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Solution

The fourth proportional to 779,982.48, 1,075,334.94 and 619,369.20 is: 853,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,982.48 : 1,075,334.94 = 619,369.20 : x
  2. Step 2: Convert to fraction form
    779,982.48/1,075,334.94 = 619,369.20/x
  3. Step 3: Cross multiply
    779,982.48x = 1,075,334.94 × 619,369.20
  4. Step 4: Simplify right side
    779,982.48x = 666,029,341,519.85
  5. Step 5: Solve for x
    x = 666,029,341,519.85/779,982.48
  6. Step 6: Final answer
    x = 853,902.95

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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.