Home / 1,167,185.54-1,750,931.40-457,121.30

Finding the Fourth Proportional to 1,167,185.54, 1,750,931.40 and 457,121.30

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Solution

The fourth proportional to 1,167,185.54, 1,750,931.40 and 457,121.30 is: 685,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,185.54 : 1,750,931.40 = 457,121.30 : x
  2. Step 2: Convert to fraction form
    1,167,185.54/1,750,931.40 = 457,121.30/x
  3. Step 3: Cross multiply
    1,167,185.54x = 1,750,931.40 × 457,121.30
  4. Step 4: Simplify right side
    1,167,185.54x = 800,388,037,778.82
  5. Step 5: Solve for x
    x = 800,388,037,778.82/1,167,185.54
  6. Step 6: Final answer
    x = 685,741.91

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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.