Home / 791,075.58-1,189,980.74-717,087.95

Finding the Fourth Proportional to 791,075.58, 1,189,980.74 and 717,087.95

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Solution

The fourth proportional to 791,075.58, 1,189,980.74 and 717,087.95 is: 1,078,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,075.58 : 1,189,980.74 = 717,087.95 : x
  2. Step 2: Convert to fraction form
    791,075.58/1,189,980.74 = 717,087.95/x
  3. Step 3: Cross multiply
    791,075.58x = 1,189,980.74 × 717,087.95
  4. Step 4: Simplify right side
    791,075.58x = 853,320,849,386.08
  5. Step 5: Solve for x
    x = 853,320,849,386.08/791,075.58
  6. Step 6: Final answer
    x = 1,078,684.35

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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.