Home / 740,679.04-1,110,843.60-341,070.40

Finding the Fourth Proportional to 740,679.04, 1,110,843.60 and 341,070.40

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Solution

The fourth proportional to 740,679.04, 1,110,843.60 and 341,070.40 is: 511,525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,679.04 : 1,110,843.60 = 341,070.40 : x
  2. Step 2: Convert to fraction form
    740,679.04/1,110,843.60 = 341,070.40/x
  3. Step 3: Cross multiply
    740,679.04x = 1,110,843.60 × 341,070.40
  4. Step 4: Simplify right side
    740,679.04x = 378,875,870,989.44
  5. Step 5: Solve for x
    x = 378,875,870,989.44/740,679.04
  6. Step 6: Final answer
    x = 511,525.03

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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.