Home / 930,157.20-1,395,352.44-456,443.28

Finding the Fourth Proportional to 930,157.20, 1,395,352.44 and 456,443.28

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Solution

The fourth proportional to 930,157.20, 1,395,352.44 and 456,443.28 is: 684,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,157.20 : 1,395,352.44 = 456,443.28 : x
  2. Step 2: Convert to fraction form
    930,157.20/1,395,352.44 = 456,443.28/x
  3. Step 3: Cross multiply
    930,157.20x = 1,395,352.44 × 456,443.28
  4. Step 4: Simplify right side
    930,157.20x = 636,899,244,469.60
  5. Step 5: Solve for x
    x = 636,899,244,469.60/930,157.20
  6. Step 6: Final answer
    x = 684,722.16

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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.