Home / 740,078.20-1,110,635.70-474,484.60

Finding the Fourth Proportional to 740,078.20, 1,110,635.70 and 474,484.60

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Solution

The fourth proportional to 740,078.20, 1,110,635.70 and 474,484.60 is: 712,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,078.20 : 1,110,635.70 = 474,484.60 : x
  2. Step 2: Convert to fraction form
    740,078.20/1,110,635.70 = 474,484.60/x
  3. Step 3: Cross multiply
    740,078.20x = 1,110,635.70 × 474,484.60
  4. Step 4: Simplify right side
    740,078.20x = 526,979,535,860.22
  5. Step 5: Solve for x
    x = 526,979,535,860.22/740,078.20
  6. Step 6: Final answer
    x = 712,059.26

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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.