Home / 779,986.23-1,075,340.12-619,372.95

Finding the Fourth Proportional to 779,986.23, 1,075,340.12 and 619,372.95

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Solution

The fourth proportional to 779,986.23, 1,075,340.12 and 619,372.95 is: 853,908.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,986.23 : 1,075,340.12 = 619,372.95 : x
  2. Step 2: Convert to fraction form
    779,986.23/1,075,340.12 = 619,372.95/x
  3. Step 3: Cross multiply
    779,986.23x = 1,075,340.12 × 619,372.95
  4. Step 4: Simplify right side
    779,986.23x = 666,036,579,280.89
  5. Step 5: Solve for x
    x = 666,036,579,280.89/779,986.23
  6. Step 6: Final answer
    x = 853,908.13

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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.