Home / 717,172.80-1,075,261.05-317,595.75

Finding the Fourth Proportional to 717,172.80, 1,075,261.05 and 317,595.75

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Solution

The fourth proportional to 717,172.80, 1,075,261.05 and 317,595.75 is: 476,173.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,172.80 : 1,075,261.05 = 317,595.75 : x
  2. Step 2: Convert to fraction form
    717,172.80/1,075,261.05 = 317,595.75/x
  3. Step 3: Cross multiply
    717,172.80x = 1,075,261.05 × 317,595.75
  4. Step 4: Simplify right side
    717,172.80x = 341,498,339,620.54
  5. Step 5: Solve for x
    x = 341,498,339,620.54/717,172.80
  6. Step 6: Final answer
    x = 476,173.02

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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.