Home / 930,231.36-1,395,091.80-256,154.40

Finding the Fourth Proportional to 930,231.36, 1,395,091.80 and 256,154.40

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Solution

The fourth proportional to 930,231.36, 1,395,091.80 and 256,154.40 is: 384,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,231.36 : 1,395,091.80 = 256,154.40 : x
  2. Step 2: Convert to fraction form
    930,231.36/1,395,091.80 = 256,154.40/x
  3. Step 3: Cross multiply
    930,231.36x = 1,395,091.80 × 256,154.40
  4. Step 4: Simplify right side
    930,231.36x = 357,358,902,973.92
  5. Step 5: Solve for x
    x = 357,358,902,973.92/930,231.36
  6. Step 6: Final answer
    x = 384,161.32

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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.