Home / 930,221.04-1,395,081.74-256,141.86

Finding the Fourth Proportional to 930,221.04, 1,395,081.74 and 256,141.86

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Solution

The fourth proportional to 930,221.04, 1,395,081.74 and 256,141.86 is: 384,144.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,221.04 : 1,395,081.74 = 256,141.86 : x
  2. Step 2: Convert to fraction form
    930,221.04/1,395,081.74 = 256,141.86/x
  3. Step 3: Cross multiply
    930,221.04x = 1,395,081.74 × 256,141.86
  4. Step 4: Simplify right side
    930,221.04x = 357,338,831,735.64
  5. Step 5: Solve for x
    x = 357,338,831,735.64/930,221.04
  6. Step 6: Final answer
    x = 384,144.00

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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.