Home / 1,172,186.40-1,758,106.80-330,823.20

Finding the Fourth Proportional to 1,172,186.40, 1,758,106.80 and 330,823.20

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Solution

The fourth proportional to 1,172,186.40, 1,758,106.80 and 330,823.20 is: 496,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,186.40 : 1,758,106.80 = 330,823.20 : x
  2. Step 2: Convert to fraction form
    1,172,186.40/1,758,106.80 = 330,823.20/x
  3. Step 3: Cross multiply
    1,172,186.40x = 1,758,106.80 × 330,823.20
  4. Step 4: Simplify right side
    1,172,186.40x = 581,622,517,517.76
  5. Step 5: Solve for x
    x = 581,622,517,517.76/1,172,186.40
  6. Step 6: Final answer
    x = 496,186.03

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1.5x scale

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.